Answer
See below.
Work Step by Step
The nth term of a geometric sequence can be obtained by multiplying the first term ($a_1$) by the common ratio ($r$) on the power of $n-1$, so $a_n=a_1r^{n-1}$
College Algebra (6th Edition)
by Blitzer, Robert F.
Published by
Pearson
ISBN 10:
0-32178-228-3
ISBN 13:
978-0-32178-228-1
Chapter 8 - Sequences, Induction, and Probability - Exercise Set 8.3 - Page 742: 90
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