Answer
$\frac{1}{8}$
Work Step by Step
$64^{-\frac{1}{2}}=(8^{2})^{-\frac{1}{2}}=(8)^{2\times-\frac{1}{2}}=8^{-1}=\frac{1}{8}$
Algebra: A Combined Approach (4th Edition)
by Martin-Gay, Elayn
Published by
Pearson
ISBN 10:
0321726391
ISBN 13:
978-0-32172-639-1
Chapter 10 - Review - Page 749: 147
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