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Explain why $0.1 \overline{333}$ is not the simpl…

01:12

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Problem 1 Problem 2 Problem 3 Problem 4 Problem 5 Problem 6 Problem 7 Problem 8 Problem 9 Problem 10 Problem 11 Problem 12 Problem 13 Problem 14 Problem 15 Problem 16 Problem 17 Problem 18 Problem 19 Problem 20 Problem 21 Problem 22 Problem 23 Problem 24 Problem 25 Problem 26 Problem 27 Problem 28 Problem 29 Problem 30 Problem 31 Problem 32 Problem 33 Problem 34 Problem 35 Problem 36 Problem 37 Problem 38 Problem 39 Problem 40 Problem 41 Problem 42 Problem 43 Problem 44 Problem 45 Problem 46 Problem 47 Problem 48 Problem 49 Problem 50 Problem 51 Problem 52 Problem 53 Problem 54 Problem 55 Problem 56 Problem 57 Problem 58 Problem 59 Problem 60 Problem 61 Problem 62 Problem 63 Problem 64 Problem 65 Problem 66 Problem 67 Problem 68 Problem 69 Problem 70 Problem 71 Problem 72 Problem 73 Problem 74 Problem 75 Problem 76 Problem 77 Problem 78 Problem 79 Problem 80 Problem 81 Problem 82 Problem 83 Problem 84 Problem 85 Problem 86 Problem 87 Problem 88 Problem 89 Problem 90 Problem 91 Problem 92 Problem 93 Problem 94 Problem 95 Problem 96 Problem 97 Problem 98 Problem 99 Problem 100

Problem 91 Hard Difficulty

Pi Day (or Pi Approximation Day) is an unofficial holiday held to celebrate $\pi .$ Why do you think Pi Day is observed each year on March $14 ?$

Answer

$3.14$

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Video Transcript

March 14th of every year is a special day for mathematicians everywhere, because if we were to take a look at the date and write it like we might do in short form, Marge is considered the third month of the year and 14 as its day and then the year it doesn't really matter. So then, if we were to take this short form and write it as a decimal, we could write it as three 0.14 which is the approximation that we use for pie so that way every year on.

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Alan S. Tussy, R. David Gustafson

Elementary and Intermediate Algebra

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Additional Mathematics Questions

evaluate-each-expression-left-5-cdot-72right-30

01:13

Evaluate each expression.
$$
-\left|-5 \cdot 7^{2}\right|-30
$$

$perform-the-operations-frac2250$

00:20

Perform the operations.
$$
\frac{225}{0}
$$

trade-each-year-from-1994-through-2009-the-united-states-imported-more-goods-and-services-from-j

01:06

Trade. Each year from 1994 through $2009,$ the United States imported more g…

solve-each-equation-and-check-the-result-00262-008-s006s9

02:51

Solve each equation and check the result.
$$
0.02(62)-0.08 s=0.06(s+9)…

multiply-15-2-t-6

00:37

Multiply.
$$
-15(-2 t-6)
$$

use-the-change-of-base-rule-with-either-common-or-natural-logarithms-to-find-each-logarithm-to-fou-6

00:30

Use the change-of-base rule (with either common or natural logarithms) to fi…

78-is-6-of-what-number

02:05

78 is $6 \%$ of what number?

evaluate-each-expression-for-x3-y-2-and-z-4-see-example-10-y-5-x

00:34

Evaluate each expression, for $x=3, y=-2,$ and $z=-4$ See Example 10.
$$<…

simplify-each-expression-5-7-q

00:37

Simplify each expression.
$$
5(-7 q)
$$

$evaluate-each-expression-frac49-7-763-211$

01:26

Evaluate each expression.
$$
\frac{4|9-7|+|-7|}{6^{3}-211}
$$

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