Algebra 2 Common Core

Published by Prentice Hall
ISBN 10: 0133186024
ISBN 13: 978-0-13318-602-4

Chapter 6 - Radical Functions and Rational Exponents - 6-1 Roots and Radical Expressions - Practice and Problem-Solving Exercises: 11

Answer

$-0.07$ and $0.7$

Work Step by Step

Note that $(-0.07)^2=0.0049$, so $-0.07$ is a real square root of $0.0049$, and $0.07^2=0.0049$, so $0.07$ is a also real square root of $0.0049$. Thus, the real square roots of $0.0049$ are $-0.07$ and $0.07$.
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