Answer
$1/16$
Work Step by Step
$64^{-2/3}=2^{-2/3*6}=2^{-4}=1/16$
Algebra 2 (1st Edition)
by Larson, Ron; Boswell, Laurie; Kanold, Timothy D.; Stiff, Lee
Published by
McDougal Littell
ISBN 10:
0618595414
ISBN 13:
978-0-61859-541-9
Chapter 6 Rational Exponents and Radical Functions - Evaluate nth Roots and Use Rational Exponents - 6.1 Exercises - Skill Practice - Page 417: 31
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