College Algebra 7th Edition

Published by Brooks Cole
ISBN 10: 1305115546
ISBN 13: 978-1-30511-554-5

Chapter P, Prerequisites - Section P.4 - Rational Exponents and Radicals - P.4 Exercises: 51

Answer

(a) 4 (b) $\frac{3}{2}$ (c) $\frac{8}{27}$

Work Step by Step

(a) $32^{2/5}=(32^{1/5})^{2}=2^{2}=4$ (b) $(\frac{4}{9})^{-1/2}=(\frac{9}{4})^{1/2}=\frac{\sqrt{9}}{\sqrt{4}}=\frac{3}{2}$ (c) $(\frac{16}{81})^{3/4}=(\frac{2}{3})^{3}=\frac{8}{27}$
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