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: 64


(a) $16a^{4}b^{2}$ (b) $8w^6z^{9/8}$

Work Step by Step

(a) $(64a^{6}b^{3})^{2/3}=64^{2/3}a^{6*2/3}b^{3*2/3}=16a^{4}b^{2}$ (b) $(16w^{8}z^{3/2})^{3/4}=16^{3/4}w^{8*3/4}z^{(3/2)(3/4)}=8w^6z^{9/8}$
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