## Prealgebra (7th Edition)

Published by Pearson

# Chapter 6 - Section 6.4 - Square Roots and the Pythagorean Theorem - Exercise Set - Page 444: 14

9.220

#### Work Step by Step

Using the calculator, $\sqrt 85\approx9.220$ $9.220\times9.220=85.008\approx85$

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