Algebra 1: Common Core (15th Edition)

Published by Prentice Hall
ISBN 10: 0133281140
ISBN 13: 978-0-13328-114-9

Chapter 1 - Foundations for Algebra - Chapter Review - Page 70: 38



Work Step by Step

$\sqrt 25$ equals 5. Because $\sqrt 25$ is close to $\sqrt 30$, 5 is a good approximation for $\sqrt 30$. (Note, $\sqrt 30$ is closer to $\sqrt 25$ than $\sqrt 36$, which is the next closest square root that gives an integer answer).
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