College Algebra (10th Edition)

Published by Pearson
ISBN 10: 0321979478
ISBN 13: 978-0-32197-947-6

Chapter R - Section R.2 - Algebra Essentials - R.2 Assess Your Understanding - Page 28: 111



Work Step by Step

RECALL: $\dfrac{a^n}{b^n} = \left(\dfrac{a}{b}\right)^n, b \ne 0$ Use the rule above to obtain: $\dfrac{(666)^4}{(222)^4}=\left(\dfrac{666}{222}\right)^4=3^4 = 81$
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