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 - Page 30: 61


(a) $w^{5/3}$ (b) $8a^{13/4}$

Work Step by Step

(a) $\frac{w^{4/3}w^{2/3}}{w^{1/3}}=w^{4/3+2/3-1/3}=w^{5/3}$ (b) $\frac{a^{5/4}(2a^{3/4})^{3}}{a^{1/4}}=2^{3}a^{(5/4)+(3/4)3-1/4}=8a^{13/4}$
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