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: 20

Answer

(a) 8 (b) -4 (c) -2

Work Step by Step

(a) $\sqrt{64}=\sqrt{8^{2}}=8$ (b) $\sqrt[3]{-64}=\sqrt[3]{(-4)^{3}}=-4$ (c) $\sqrt[5]{-32}=\sqrt[5]{(-2)^{5}}=-2$
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