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: 23


(a) 14 (b) 4 (c) 6

Work Step by Step

(a) $\sqrt{7}\sqrt{28}=\sqrt{72*8}=\sqrt{196}=14$ (b) $\frac{\sqrt{48}}{\sqrt{3}}=\sqrt{\frac{48}{3}}=\sqrt{16}=4$ (c) $\sqrt[4]{24}\sqrt[4]{54}=\sqrt[4]{24*54}=\sqrt[4]{1296}=6$
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