Answer
$81$
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:
$\dfrac{(666)^4}{(222)^4}=\left(\dfrac{666}{222}\right)^4=3^4 = 81$
College Algebra (10th Edition)
by Sullivan, Michael
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
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