Precalculus (6th Edition) Blitzer

Published by Pearson
ISBN 10: 0-13446-914-3
ISBN 13: 978-0-13446-914-0

Chapter P - Review Exercises - Page 143: 67



Work Step by Step

Recall that $a^{x/y}=(\sqrt[y] {a})^x$. Use these rules to simplify: $64^{2/3}=(\sqrt[3]{64})^2=4^2=16$ (See my explanation given to exercise 54 if you've forgotten how to find a cube root.)
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