College Algebra (6th Edition)

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 739: 3


$20, 10, 5, 2.5, 1.25$

Work Step by Step

To solve this, we will apply the formula for the nth term of a geometric series. Once we get general formula, we will put values for n from 1 to 5 and determine the first five terms for the sequence: $a_{n}=20 \times (\frac{1}{2})^{n-1}$
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