Prealgebra (7th Edition)

Published by Pearson
ISBN 10: 0321955048
ISBN 13: 978-0-32195-504-3

Chapter 6 - Review: 75



Work Step by Step

$66^2+56^2=x^2$ $4356+3136=x^2$ $\sqrt {7672}=x$ $\sqrt {7672}\approx90$ Divide and average to refine the approximation. $7672\div90=85.244$ $(90+85.244)\div2=87.622$ Repeat to further refine. $7672\div87.622=87.558$ $(87.622+87.558)\div2=87.590$
Update this answer!

You can help us out by revising, improving and updating this answer.

Update this answer

After you claim an answer you’ll have 24 hours to send in a draft. An editor will review the submission and either publish your submission or provide feedback.