Answer
16
Work Step by Step
Remember, raising a number to the ⅔ power is the same as squaring the cube root of that number. Thus, we obtain:
$64^{2/3} = (\sqrt [3] {64})^{2} = 4^{2}=16 $
Elementary Algebra
by Kaufmann, Jerome; Schwitters, Karen;
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: 17
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