Intermediate Algebra for College Students (7th Edition)

Published by Pearson
ISBN 10: 0-13417-894-7
ISBN 13: 978-0-13417-894-3

Chapter 7 - Section 7.2 - Rational Exponents - Exercise Set - Page 521: 20



Work Step by Step

RECALL: $a^{\frac{m}{n}}=\sqrt[n]{a^m}$ The given expression has $a=xy$, $m=4$ and $n=9$ Use the rule above to obtain: $(xy)^{\frac{4}{9}}=\sqrt[9]{(xy)^4}$
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