Answer
$\frac{1}{2}$
Work Step by Step
$4^{-\frac{1}{2}}=\frac{1}{4^{\frac{1}{2}}}=\frac{1}{(2^{2})^{\frac{1}{2}}}=\frac{1}{2^{1}}=\frac{1}{2}$
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 - Chapter 11 Review Problem Set - Page 519: 26
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