Intermediate Algebra for College Students (7th Edition)

Published by Pearson
ISBN 10: 0-13417-894-7
ISBN 13: 978-0-13417-894-3

Chapter 11 - Section 11.3 - Geometric Sequences and Series - Exercise Set - Page 858: 124

Answer

See below.

Work Step by Step

The exponent of $a$ decreases in every term, going from $n$ to $0$.
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