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Simplify: $13+28$.

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Chapter 1

The Arithmetic of Numbers

Section 1

An Introduction to the Integers

The Integers

00:57

Simplify.$$(-1.3)(…

00:17

Simplify.$$(-13)+(…

01:04

Simplify.$$6-(-13)-14+…

Simplify.$$13-(-12)$$<…

00:48

Simplify.$$-\frac{6}{1…

00:13

simplify..$$-13-13$$

00:51

Simplify: $24+8 \cdot 3+28…

00:40

Simplify.$$-31+(-2…

03:46

Simplify.$$13 \cdot(1+…

01:22

Simplify.$$-\frac{7}{1…

00:18

Write as an equivalent add…

03:42

Perform the operations and…

01:06

Simplify.$$-8-(-14)+7$…

02:39

Add.$$-27+(-3)+(-1…

00:42

Simplify.$$\frac{5…

00:21

Simplify.$$-35+15-(-28…

00:14

Simplify.$$12 x+13 x$$…

00:45

Simplify.$$7 !+3 !$$

00:22

Subtract as indicated.…

00:23

Simplify.$$-23+(-3)$$<…

we're being asked to multiply negative 1.3 by two, pointing so we can just go ahead off to the side and multiply their absolute values by each other first. So we have 1.3 times 2.8. So let's first multiply 1.3 by eight. So we have a Time Street, which is 24. Carry the two eight times one is eight plus two is today. Then we'll start the next row with a zero, and now we'll multiply by two. Well, two times three of six and two times one is two. Now we'll go ahead and add. Well, four plus zero is 40 plus 66 1 plus two is three now for a decimal. In the first number, it got moved one place to the left and the second also got one place got moved one place to the left. So we have to move our dust Will two places to the left, so we'll get 3.64 now for the sign of our answers were multiplying a negative by a positive, which will result in a negative value. So our final answer

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