Precalculus (6th Edition)

by Lial, Margaret L.; Hornsby, John; Schneider, David I.; Daniels, Callie

Published by Pearson

ISBN 10: 013421742X

ISBN 13: 978-0-13421-742-0

Chapter 11 - Further Topics in Algebra - Test - Page 1085: 11

Answer

$\frac{108}{7}$

Work Step by Step

We can identify the sequence as geometric with $a_1=12, r=\frac{2}{9}$. We have the sum as $S=\frac{a_1}{1-r}=\frac{12}{1-\frac{2}{9}}=\frac{108}{7}$

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