Algebra 2 (1st Edition)

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

Answer

$\frac{1}{3}$

Work Step by Step

$9^{-1/2}=\frac{1}{9^{1/2}}=\frac{1}{(3^2)^{1/2}}=\frac{1}{3}$
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