Answer
$\dfrac{1}{81}$
Work Step by Step
$\dfrac{9^{2/5}}{9^{12/5}}=9^{2/5-12/5}=9^{-2}=\dfrac{1}{9^{2}}=\dfrac{1}{81}$
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 - Section 10.2 - Rational Exponents - Practice - Page 691: 15
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