Answer
$\frac{1}{3}$
Work Step by Step
$9^{-1/2}=\frac{1}{9^{1/2}}=\frac{1}{(3^2)^{1/2}}=\frac{1}{3}$
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 - 6.1 Evaluate nth Roots and Use Rational Exponents - Guided Practice for Examples 1, 2, and 3 - Page 415: 6
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