Algebra and Trigonometry 10th Edition

Published by Cengage Learning
ISBN 10: 9781337271172
ISBN 13: 978-1-33727-117-2

Chapter 11 - 11.3 - Geometric Sequences and Series - 11.3 Exercises - Page 796: 75



Work Step by Step

$a_1=8$ $r=\frac{a_2}{a_1}=\frac{6}{8}=\frac{3}{4}$ $S=\frac{a_1}{1-r}=\frac{8}{1-\frac{3}{4}}=\frac{8}{\frac{1}{4}}=32$
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