Algebra and Trigonometry 10th Edition

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

Prerequisites - P.2 - Exponents and Radicals - Exercises - Page 24: 12


a) $243$ b) $-\frac{3}{4}$

Work Step by Step

a) $\frac{3^1}{3^{-4}}=3^1\cdot3^4=3^5=3\cdot3\cdot3\cdot3\cdot3=243$ b) $48(-4)^{-3}=\frac{48}{(-4)^3}=-\frac{12}{(-4)^2}=\frac{3}{-4}=-\frac{3}{4}$
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