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) $a^{3/5}a^{3/10}=a^{3/5+3/10}=a^{6/10+3/10}=a^{9/10}$
College Algebra 7th Edition
by Stewart, James; Redlin, Lothar; Watson, Saleem
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: 60
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