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: 60

Answer

(a) r (b) $a^{9/10}$

Work Step by Step

(a) $r^{1/6}r^{5/6}=r^{1/6+5/6}=r$ (b) $a^{3/5}a^{3/10}=a^{3/5+3/10}=a^{6/10+3/10}=a^{9/10}$
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