Algebra and Trigonometry 10th Edition

Published by Cengage Learning
ISBN 10: 9781337271172
ISBN 13: 978-1-33727-117-2

Prerequisites - Review Exercises - Page 63: 43


(a) 9 (b) 343

Work Step by Step

(a) $\sqrt[3] {27^2}=\sqrt[3] {(3^3)^2}=\sqrt[3] {3^6}=3^2=9$ (b) $\sqrt {49^3}=\sqrt {(7^2)^3}=\sqrt {7^6}=7^3=343$
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