Algebra 1

Published by Prentice Hall
ISBN 10: 0133500403
ISBN 13: 978-0-13350-040-0

Chapter 10 - Radical Expressions and Equations - Get Ready: 6

Answer

$4$

Work Step by Step

To estimate $\sqrt {15}$, we use the square root function on our calculator to find that $\sqrt {15} \approx 3.87$. Since $3.87$ is closer to $4$ than to $3$, we estimate the square root to be $4$.
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