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Algebra A Combined Function

Elayn Martin-Gay

Chapter 5

Exponents and Polynomials - all with Video Answers

Educators


Section 1

Exponents

00:14

Problem 1

Evaluate each expression.
$$
7^{2}
$$

Julie Silva
Julie Silva
Numerade Educator
00:09

Problem 2

Evaluate each expression.
$$
-3^{2}
$$

James Kiss
James Kiss
Numerade Educator
00:14

Problem 3

Evaluate each expression.
$$
(-5)^{1}
$$

Erika Bustos
Erika Bustos
Numerade Educator
00:09

Problem 4

Evaluate each expression.
$$
(-3)^{2}
$$

James Kiss
James Kiss
Numerade Educator
00:22

Problem 5

Evaluate each expression.
$$
-2^{4}
$$

Julie Silva
Julie Silva
Numerade Educator
00:17

Problem 6

Evaluate each expression.
$$
-4^{3}
$$

Amy Jiang
Amy Jiang
Numerade Educator
00:22

Problem 7

Evaluate each expression.
$$
(-2)^{4}
$$

Julie Silva
Julie Silva
Numerade Educator
00:19

Problem 8

Evaluate each expression.
$$
(-4)^{3}
$$

Amy Jiang
Amy Jiang
Numerade Educator
00:22

Problem 9

Evaluate each expression.
$$
\left(\frac{1}{3}\right)^{3}
$$

Amy Jiang
Amy Jiang
Numerade Educator
00:12

Problem 10

Evaluate each expression.
$$
\left(-\frac{1}{9}\right)^{2}
$$

Erika Bustos
Erika Bustos
Numerade Educator
00:19

Problem 11

Evaluate each expression.
$$
7 \cdot 2^{4}
$$

Erika Bustos
Erika Bustos
Numerade Educator
00:08

Problem 12

Evaluate each expression.
$$
9 \cdot 2^{2}
$$

Erika Bustos
Erika Bustos
Numerade Educator
00:12

Problem 13

Evaluate each expression with the given replacement values.
$$
x^{2} \text { when } x=-2
$$

Erika Bustos
Erika Bustos
Numerade Educator
00:24

Problem 14

Evaluate each expression with the given replacement values.
$$
x^{3} \text { when } x=-2
$$

Erika Bustos
Erika Bustos
Numerade Educator
00:21

Problem 15

Evaluate each expression with the given replacement values.
$$
5 x^{3} \text { when } x=3
$$

Erika Bustos
Erika Bustos
Numerade Educator
00:11

Problem 16

Evaluate each expression with the given replacement values.
$$
4 x^{2} \text { when } x=5
$$

Erika Bustos
Erika Bustos
Numerade Educator
00:26

Problem 17

Evaluate each expression with the given replacement values.
$$
2 x y^{2} \text { when } x=3 \text { and } y=-5
$$

Erika Bustos
Erika Bustos
Numerade Educator
00:29

Problem 18

Evaluate each expression with the given replacement values.
$$
-4 x^{2} y^{3} \text { when } x=2 \text { and } y=-1
$$

Erika Bustos
Erika Bustos
Numerade Educator
00:31

Problem 19

Evaluate each expression with the given replacement values.
$$
\frac{2 z^{4}}{5} \text { when } z=-2
$$

Erika Bustos
Erika Bustos
Numerade Educator
00:31

Problem 20

Evaluate each expression with the given replacement values.
$$
\frac{10}{3 y^{3}} \text { when } y=-3
$$

Erika Bustos
Erika Bustos
Numerade Educator
00:15

Problem 21

Use the product rule to simplify each expression.
$$
x^{2} \cdot x^{5}
$$

Erika Bustos
Erika Bustos
Numerade Educator
00:13

Problem 22

Use the product rule to simplify each expression.
$$
y^{2} \cdot y
$$

Erika Bustos
Erika Bustos
Numerade Educator
00:16

Problem 23

Use the product rule to simplify each expression.
$$
(-3)^{3} \cdot(-3)^{9}
$$

Erika Bustos
Erika Bustos
Numerade Educator
00:10

Problem 24

Use the product rule to simplify each expression.
$$
(-5)^{7} \cdot(-5)^{6}
$$

Erika Bustos
Erika Bustos
Numerade Educator
00:16

Problem 25

Use the product rule to simplify each expression.
$$
\left(5 y^{4}\right)(3 y)
$$

Erika Bustos
Erika Bustos
Numerade Educator
00:11

Problem 26

Use the product rule to simplify each expression.
$$
\left(-2 z^{3}\right)\left(-2 z^{2}\right)
$$

Erika Bustos
Erika Bustos
Numerade Educator
00:26

Problem 27

Use the product rule to simplify each expression.
$$
\left(x^{9} y\right)\left(x^{10} y^{5}\right)
$$

Erika Bustos
Erika Bustos
Numerade Educator
00:18

Problem 28

Use the product rule to simplify each expression.
$$
\left(a^{2} b\right)\left(a^{13} b^{17}\right)
$$

Erika Bustos
Erika Bustos
Numerade Educator
00:22

Problem 29

Use the product rule to simplify each expression.
$$
\left(-8 m n^{6}\right)\left(9 m^{2} n^{2}\right)
$$

Erika Bustos
Erika Bustos
Numerade Educator
00:22

Problem 30

Use the product rule to simplify each expression.
$$
\left(-7 a^{3} b^{3}\right)\left(7 a^{19} b\right)
$$

Erika Bustos
Erika Bustos
Numerade Educator
00:25

Problem 31

Use the product rule to simplify each expression.
$$
\left(4 z^{10}\right)\left(-6 z^{7}\right)\left(z^{3}\right)
$$

Erika Bustos
Erika Bustos
Numerade Educator
00:24

Problem 32

Use the product rule to simplify each expression.
$$
\left(12 x^{5}\right)\left(-x^{6}\right)\left(x^{4}\right)
$$

Erika Bustos
Erika Bustos
Numerade Educator
00:25

Problem 33

The rectangle below has width $4 x^{2}$ feet and length $5 x^{3}$ feet. Find its area as an expression in $x$.

Erika Bustos
Erika Bustos
Numerade Educator
00:25

Problem 34

The parallelogram below has base length $9 y^{7}$ meters and height $2 y^{10}$ meters. Find its area as an expression in $y$.

Erika Bustos
Erika Bustos
Numerade Educator
00:18

Problem 35

Use the power rule and the power of a product or quotient rule to simplify eachexpression.
$$
\left(x^{9}\right)^{4}
$$

Erika Bustos
Erika Bustos
Numerade Educator
00:17

Problem 36

Use the power rule and the power of a product or quotient rule to simplify each expression.
$$
\left(y^{7}\right)^{5}
$$

Erika Bustos
Erika Bustos
Numerade Educator
00:19

Problem 37

Use the power rule and the power of a product or quotient rule to simplify each expression.
$$
(p q)^{8}
$$

Erika Bustos
Erika Bustos
Numerade Educator
00:16

Problem 38

Use the power rule and the power of a product or quotient rule to simplify each expression.
$$
(a b)^{6}
$$

Erika Bustos
Erika Bustos
Numerade Educator
00:22

Problem 39

Use the power rule and the power of a product or quotient rule to simplify each expression.
$$
\left(2 a^{5}\right)^{3}
$$

Erika Bustos
Erika Bustos
Numerade Educator
00:21

Problem 40

Use the power rule and the power of a product or quotient rule to simplify each expression.
$$
\left(4 x^{6}\right)^{2}
$$

Erika Bustos
Erika Bustos
Numerade Educator
00:15

Problem 41

Use the power rule and the power of a product or quotient rule to simplify each expression.
$$
\left(x^{2} y^{3}\right)^{5}
$$

Erika Bustos
Erika Bustos
Numerade Educator
00:16

Problem 42

Use the power rule and the power of a product or quotient rule to simplify each expression.
$$
\left(a^{4} b\right)^{7}
$$

Erika Bustos
Erika Bustos
Numerade Educator
00:50

Problem 43

Use the power rule and the power of a product or quotient rule to simplify each expression.
$$
\left(-7 a^{2} b^{5} c\right)^{2}
$$

Erika Bustos
Erika Bustos
Numerade Educator
00:49

Problem 44

Use the power rule and the power of a product or quotient rule to simplify each expression.
$$
\left(-3 x^{7} y z^{2}\right)^{3}
$$

Erika Bustos
Erika Bustos
Numerade Educator
00:23

Problem 45

Use the power rule and the power of a product or quotient rule to simplify each expression.
$$
\left(\frac{r}{s}\right)^{9}
$$

Erika Bustos
Erika Bustos
Numerade Educator
00:20

Problem 46

Use the power rule and the power of a product or quotient rule to simplify each expression.
$$
\left(\frac{q}{t}\right)^{11}
$$

Erika Bustos
Erika Bustos
Numerade Educator
00:39

Problem 47

Use the power rule and the power of a product or quotient rule to simplify each expression.
$$
\left(\frac{m p}{n}\right)^{9}
$$

Erika Bustos
Erika Bustos
Numerade Educator
00:36

Problem 48

Use the power rule and the power of a product or quotient rule to simplify each expression.
$$
\left(\frac{x y}{7}\right)^{2}
$$

Erika Bustos
Erika Bustos
Numerade Educator
01:02

Problem 49

Use the power rule and the power of a product or quotient rule to simplify each expression.
$$
\left(\frac{-2 x z}{y^{5}}\right)^{2}
$$

Erika Bustos
Erika Bustos
Numerade Educator
01:16

Problem 50

Use the power rule and the power of a product or quotient rule to simplify each expression.
$$
\left(\frac{x y^{4}}{-3 z^{3}}\right)^{3}
$$

Erika Bustos
Erika Bustos
Numerade Educator
00:41

Problem 51

The square shown has sides of length $8 z^{5}$ decimeters. Find its area.

Erika Bustos
Erika Bustos
Numerade Educator
00:35

Problem 52

Given the circle below with radius $5 y$ centimeters, find its area. Do not approximate $\pi$.

Erika Bustos
Erika Bustos
Numerade Educator
00:39

Problem 53

The vault below is in the shape of a cube. If each side is $3 y^{4}$ feet, find its volume.

Erika Bustos
Erika Bustos
Numerade Educator
00:59

Problem 54

The silo shown is in the shape of a cylinder. If its radius is $4 x$ meters and its height is $5 x^{3}$ meters, find its volume. Do not approximate $\pi$.

Erika Bustos
Erika Bustos
Numerade Educator
00:19

Problem 55

Use the quotient rule and simplify each expression.
$$
\frac{x^{3}}{x}
$$

Erika Bustos
Erika Bustos
Numerade Educator
00:11

Problem 56

Use the quotient rule and simplify each expression.
$$
\frac{y^{10}}{y^{9}}
$$

Erika Bustos
Erika Bustos
Numerade Educator
00:34

Problem 57

Use the quotient rule and simplify each expression.
$$
\frac{(-4)^{6}}{(-4)^{3}}
$$

Erika Bustos
Erika Bustos
Numerade Educator
00:28

Problem 58

Use the quotient rule and simplify each expression.
$$
\frac{(-6)^{13}}{(-6)^{11}}
$$

Erika Bustos
Erika Bustos
Numerade Educator
00:23

Problem 59

Use the quotient rule and simplify each expression.
$$
\frac{p^{7} q^{20}}{p q^{15}}
$$

Erika Bustos
Erika Bustos
Numerade Educator
00:24

Problem 60

Use the quotient rule and simplify each expression.
$$
\frac{x^{8} y^{6}}{x y^{5}}
$$

Erika Bustos
Erika Bustos
Numerade Educator
00:43

Problem 61

Use the quotient rule and simplify each expression.
$$
\frac{7 x^{2} y^{6}}{14 x^{2} y^{3}}
$$

Erika Bustos
Erika Bustos
Numerade Educator
00:27

Problem 62

Use the quotient rule and simplify each expression.
$$
\frac{9 a^{4} b^{7}}{27 a b^{2}}
$$

Erika Bustos
Erika Bustos
Numerade Educator
00:19

Problem 63

Simplify each expression.
$$
7^{0}
$$

Shaza Hammoud
Shaza Hammoud
Numerade Educator
00:07

Problem 64

Simplify each expression.
$$
23^{0}
$$

Erika Bustos
Erika Bustos
Numerade Educator
00:30

Problem 65

Simplify each expression.
$$
(2 x)^{0}
$$

Shaza Hammoud
Shaza Hammoud
Numerade Educator
00:12

Problem 66

Simplify each expression.
$$
(4 y)^{0}
$$

Erika Bustos
Erika Bustos
Numerade Educator
00:22

Problem 67

Simplify each expression.
$$
-7 x^{0}
$$

Erika Bustos
Erika Bustos
Numerade Educator
00:30

Problem 68

Simplify each expression.
$$
-2 x^{0}
$$

Shaza Hammoud
Shaza Hammoud
Numerade Educator
00:09

Problem 69

Simplify each expression.
$$
5^{0}+y^{0}
$$

Erika Bustos
Erika Bustos
Numerade Educator
00:25

Problem 70

Simplify each expression.
$$
-3^{0}+4^{0}
$$

Erika Bustos
Erika Bustos
Numerade Educator
00:11

Problem 72

Simplify each expression.
$$
(-9)^{2}
$$

Erika Bustos
Erika Bustos
Numerade Educator
00:14

Problem 73

Simplify each expression.
$$
\left(\frac{1}{4}\right)^{3}
$$

Erika Bustos
Erika Bustos
Numerade Educator
01:11

Problem 74

Simplify each expression.
$$
\left(\frac{2}{3}\right)^{3}
$$

Kevin Corkran-Itagaki
Kevin Corkran-Itagaki
Numerade Educator
00:08

Problem 75

Simplify each expression.
$$
b^{4} b^{2}
$$

Erika Bustos
Erika Bustos
Numerade Educator
00:10

Problem 76

Simplify each expression.
$$
y^{4} y
$$

Erika Bustos
Erika Bustos
Numerade Educator
01:05

Problem 77

Simplify each expression.
$$
a^{2} a^{3} a^{4}
$$

Jeffrey Morris
Jeffrey Morris
Numerade Educator
00:14

Problem 78

Simplify each expression.
$$
x^{2} x^{15} x^{9}
$$

Erika Bustos
Erika Bustos
Numerade Educator
00:11

Problem 79

Simplify each expression.
$$
\left(2 x^{3}\right)\left(-8 x^{4}\right)
$$

Erika Bustos
Erika Bustos
Numerade Educator
00:15

Problem 80

Simplify each expression.
$$
\left(3 y^{4}\right)(-5 y)
$$

Erika Bustos
Erika Bustos
Numerade Educator
00:16

Problem 81

Simplify each expression.
$$
\left(a^{7} b^{12}\right)\left(a^{4} b^{8}\right)
$$

Erika Bustos
Erika Bustos
Numerade Educator
00:13

Problem 82

Simplify each expression.
$$
\left(y^{2} z^{2}\right)\left(y^{15} z^{13}\right)
$$

Erika Bustos
Erika Bustos
Numerade Educator
00:19

Problem 83

Simplify each expression.
$$
\left(-2 m n^{6}\right)\left(-13 m^{8} n\right)
$$

Erika Bustos
Erika Bustos
Numerade Educator
00:20

Problem 84

Simplify each expression.
$$
\left(-3 s^{5} t\right)\left(-7 s t^{10}\right)
$$

Erika Bustos
Erika Bustos
Numerade Educator
00:09

Problem 85

Simplify each expression.
$$
\left(z^{4}\right)^{10}
$$

Erika Bustos
Erika Bustos
Numerade Educator
00:09

Problem 86

Simplify each expression.
$$
\left(t^{5}\right)^{11}
$$

Erika Bustos
Erika Bustos
Numerade Educator
00:34

Problem 87

Simplify each expression.
$$
(4 a b)^{3}
$$

Erika Bustos
Erika Bustos
Numerade Educator
00:36

Problem 88

Simplify each expression.
$$
(2 a b)^{4}
$$

Erika Bustos
Erika Bustos
Numerade Educator
00:41

Problem 89

Simplify each expression.
$$
\left(-6 x y z^{3}\right)^{2}
$$

Erika Bustos
Erika Bustos
Numerade Educator
01:00

Problem 90

Simplify each expression.
$$
\left(-3 x y^{2} a^{3}\right)^{3}
$$

Erika Bustos
Erika Bustos
Numerade Educator
00:21

Problem 91

Simplify each expression.
$$
\frac{3 x^{5}}{x^{4}}
$$

Erika Bustos
Erika Bustos
Numerade Educator
00:16

Problem 92

Simplify each expression.
$$
\frac{5 x^{9}}{x^{3}}
$$

Erika Bustos
Erika Bustos
Numerade Educator
00:30

Problem 93

Simplify each expression.
$$
(9 x y)^{2}
$$

Erika Bustos
Erika Bustos
Numerade Educator
00:41

Problem 94

Simplify each expression.
$$
(2 a b)^{5}
$$

Erika Bustos
Erika Bustos
Numerade Educator
00:12

Problem 95

Simplify each expression.
$$
2^{3}+2^{0}
$$

Erika Bustos
Erika Bustos
Numerade Educator
00:15

Problem 96

Simplify each expression.
$$
7^{2}-7^{0}
$$

Erika Bustos
Erika Bustos
Numerade Educator
00:52

Problem 97

Simplify each expression.
$$
\left(\frac{3 y^{5}}{6 x^{4}}\right)^{3}
$$

Erika Bustos
Erika Bustos
Numerade Educator
01:12

Problem 98

Simplify each expression.
$$
\left(\frac{2 a b}{6 y z}\right)^{4}
$$

Erika Bustos
Erika Bustos
Numerade Educator
00:41

Problem 99

Simplify each expression.
$$
\frac{2 x^{3} y^{2} z}{x y z}
$$

Erika Bustos
Erika Bustos
Numerade Educator
00:17

Problem 100

Simplify each expression.
$$
\frac{x^{12} y^{13}}{x^{5} y^{7}}
$$

Erika Bustos
Erika Bustos
Numerade Educator
00:20

Problem 101

Simplify each expression.
$$
\left(5^{0}\right)^{3}+\left(y^{0}\right)^{7}
$$

Erika Bustos
Erika Bustos
Numerade Educator
00:14

Problem 102

Simplify each expression.
$$
\left(9^{0}\right)^{4}+\left(z^{0}\right)^{5}
$$

Erika Bustos
Erika Bustos
Numerade Educator
00:57

Problem 103

Simplify each expression.
$$
\left(\frac{5 x^{9}}{10 y^{11}}\right)^{2}
$$

Erika Bustos
Erika Bustos
Numerade Educator
00:59

Problem 104

Simplify each expression.
$$
\left(\frac{3 a^{4}}{9 b^{5}}\right)^{2}
$$

Erika Bustos
Erika Bustos
Numerade Educator
01:29

Problem 105

Simplify each expression.
$$
\frac{\left(2 a^{5} b^{3}\right)^{4}}{-16 a^{20} b^{7}}
$$

Erika Bustos
Erika Bustos
Numerade Educator
01:22

Problem 106

Simplify each expression.
$$
\frac{\left(2 x^{6} y^{2}\right)^{5}}{-32 x^{20} y^{10}}
$$

Erika Bustos
Erika Bustos
Numerade Educator
00:04

Problem 107

Subtract.
$$
5-7
$$

Erika Bustos
Erika Bustos
Numerade Educator
00:05

Problem 108

Subtract.
$$
9-12
$$

Erika Bustos
Erika Bustos
Numerade Educator
00:04

Problem 109

Subtract.
$$
3-(-2)
$$

Ali Soave
Ali Soave
Numerade Educator
00:07

Problem 110

Subtract.
$$
5-(-10)
$$

Erika Bustos
Erika Bustos
Numerade Educator
00:09

Problem 111

Subtract.
$$
-11-(-4)
$$

Erika Bustos
Erika Bustos
Numerade Educator
00:09

Problem 112

Subtract.
$$
-15-(-21)
$$

Erika Bustos
Erika Bustos
Numerade Educator
00:10

Problem 113

Solve. See the Concept Checks in this section. For Exercises 113 through $116,$ match the expression with the operation needed to simplify each. A letter may be used more than once and a letter may not be used at all.
a. Add the exponents.
b. Subtract the exponents.
c. Multiply the exponents.
d. Divide the exponents.
e. None of these

Erika Bustos
Erika Bustos
Numerade Educator
00:10

Problem 113

Solve. See the Concept Checks in this section. Match the expression with the operation needed to simplify each. A letter may be used more than once and a letter may not be used at all.
a. Add the exponents.
b. Subtract the exponents.
c. Multiply the exponents.
d. Divide the exponents.
e. None of these
$$
\left(x^{14}\right)^{23}
$$

Erika Bustos
Erika Bustos
Numerade Educator
00:14

Problem 114

Solve. See the Concept Checks in this section. Match the expression with the operation needed to simplify each. A letter may be used more than once and a letter may not be used at all.
a. Add the exponents.
b. Subtract the exponents.
c. Multiply the exponents.
d. Divide the exponents.
e. None of these
$$
x^{14} \cdot x^{23}
$$

Erika Bustos
Erika Bustos
Numerade Educator
00:14

Problem 115

Solve. See the Concept Checks in this section. Match the expression with the operation needed to simplify each. A letter may be used more than once and a letter may not be used at all.
a. Add the exponents.
b. Subtract the exponents.
c. Multiply the exponents.
d. Divide the exponents.
e. None of these
$$
x^{14}+x^{23}
$$

Erika Bustos
Erika Bustos
Numerade Educator
00:09

Problem 116

Solve. See the Concept Checks in this section. Match the expression with the operation needed to simplify each. A letter may be used more than once and a letter may not be used at all.
a. Add the exponents.
b. Subtract the exponents.
c. Multiply the exponents.
d. Divide the exponents.
e. None of these
$$
\frac{x^{35}}{x^{17}}
$$

Erika Bustos
Erika Bustos
Numerade Educator
00:21

Problem 117

Fill in the boxes so that each statement is true.
$$
x^{\square} \cdot x^{\square}=x^{12}
$$

Erika Bustos
Erika Bustos
Numerade Educator
00:17

Problem 118

Fill in the boxes so that each statement is true.
$$
\left(x^{\square}\right)^{\square}=x^{20}
$$

Erika Bustos
Erika Bustos
Numerade Educator
00:19

Problem 119

Fill in the boxes so that each statement is true.
$$
\frac{y^{\square}}{y^{\square}}=y^{7}
$$

Erika Bustos
Erika Bustos
Numerade Educator
00:37

Problem 120

Fill in the boxes so that each statement is true.
$$
\left(y^{\square}\right)^{\square} \cdot\left(y^{\square}\right)^{\square}=y^{30}
$$

Erika Bustos
Erika Bustos
Numerade Educator
00:23

Problem 121

The formula $V=x^{3}$ can be used to find the volume $V$ of a cube with side length $x$. Find the volume of a cube with side length 7 meters. (Volume is measured in cubic units.)

Erika Bustos
Erika Bustos
Numerade Educator
01:04

Problem 122

The formula $S=6 x^{2}$ can be used to find the surface area $S$ of a cube with side length $x$. Find the surface area of a cube with side length 5 meters. (Surface area is measured in square units.)

Gregory Shiver
Gregory Shiver
Numerade Educator
00:23

Problem 123

To find the amount of water that a swimming pool in the shape of a cube can hold, do we use the formula for volume of the cube or surface area of the cube? (See Exercises 121 and $122 .)$

Erika Bustos
Erika Bustos
Numerade Educator
00:25

Problem 124

To find the amount of material needed to cover an ottoman in the shape of a cube, do we use the formula for volume of the cube or surface area of the cube? (See Exercises 121 and $122 .)$

Erika Bustos
Erika Bustos
Numerade Educator
02:28

Problem 125

Explain why $(-5)^{4}=625,$ while $-5^{4}=-625$.

Willis James
Willis James
Numerade Educator
00:24

Problem 126

Explain why $5 \cdot 4^{2}=80,$ while $(5 \cdot 4)^{2}=400$.

Erika Bustos
Erika Bustos
Numerade Educator
00:47

Problem 127

In your own words, explain why $5^{0}=1$.

Erika Bustos
Erika Bustos
Numerade Educator
01:39

Problem 128

In your own words, explain when $(-3)^{n}$ is positive and when it is negative.

Gregory Shiver
Gregory Shiver
Numerade Educator
00:24

Problem 129

Simplify each expression. Assume that variables represent positive integers.
$$
x^{5 a} x^{4 a}
$$

Heather Zimmers
Heather Zimmers
Numerade Educator
00:43

Problem 130

Simplify each expression. Assume that variables represent positive integers.
$$
b^{9 a} b^{4 a}
$$

Gregory Shiver
Gregory Shiver
Numerade Educator
00:19

Problem 131

Simplify each expression. Assume that variables represent positive integers.
$$
\left(a^{b}\right)^{5}
$$

Heather Zimmers
Heather Zimmers
Numerade Educator
01:22

Problem 132

Simplify each expression. Assume that variables represent positive integers.
$$
\left(2 a^{4 b}\right)^{4}
$$

Gregory Shiver
Gregory Shiver
Numerade Educator
00:20

Problem 133

Simplify each expression. Assume that variables represent positive integers.
$$
\frac{x^{9 a}}{x^{4 a}}
$$

Heather Zimmers
Heather Zimmers
Numerade Educator
00:47

Problem 134

Simplify each expression. Assume that variables represent positive integers.
$$
\frac{y^{15 b}}{y^{6 b}}
$$

Gregory Shiver
Gregory Shiver
Numerade Educator