Answer
(a) 3
(b) -2
(c) -1/2
Work Step by Step
(a) $27^{1/3}=3$
(b) $(-8)^{1/3}=-2$
(c) $-(\frac{1}{8})^{1/3}=-(\frac{1}{8^{1/3}})=-\frac{1}{2}$
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: 50
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