Precalculus: Mathematics for Calculus, 7th Edition

Published by Brooks Cole
ISBN 10: 1305071751
ISBN 13: 978-1-30507-175-9

Chapter 1 - Section 1.2 - Exponents and Radicals - 1.2 Exercises: 56

Answer

a)$3$ b)$-2$ c)$-\frac{1}{2}$

Work Step by Step

a)$27^{1/3}=\sqrt[3] {27}=3$ b)$(-8)^{1/3}=\sqrt[3] {-8}=-2$ c)$-{(\frac{1}{8})}^{1/3}=-\sqrt[3] {\frac{1}{8}}=-\frac{1}{2}$
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