Elementary Algebra

Published by Cengage Learning
ISBN 10: 1285194055
ISBN 13: 978-1-28519-405-9

Chapter 11 - Additional Topics - 11.3 - Fractional Exponents - Problem Set 11.3 - Page 489: 7



Work Step by Step

Recall, when a number is raised to the third power, the cube root cancels out the exponent. Thus, we obtain: $\sqrt[3] {-64}=\sqrt[3] {(-4)^{3}}=-4$
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