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Elementary Algebra

Lynn Marecek, MaryAnne Anthony-Smith

$Math Studyset 91影视 Explanations$ Math

2nd Edition 路 1240 pages

ISBN: 9780998625713

Chapter 9: Q 21. (page 1041)

Estimate Square Roots
$\sqrt{70}$

Short Answer

Expert verified

$\sqrt{70}$ is between the square roots of $8$ and $9$ .

Step by step solution

Given information.

The given square root is $\sqrt{70}$ .

To find the two consecutive perfect squares.

Number	Square root
$8^{2}$	$64$
$9^{2}$	localid="1648202375597" $81$
$10^{2}$	$100$

Locate $70$ between two consecutive perfect squares.

$64 < 70 < 81$

$\sqrt{70}$ is between their square roots.

$8 < 70 < 9$

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Estimate Square Roots70

Short Answer

Step by step solution

Given information.

To find the two consecutive perfect squares.

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Estimate Square Roots
$\sqrt{70}$