Answer
$\frac{25}{66}$
Work Step by Step
$0.37878...=0.3+7.8(0.01)+7.8(0.01)^2+...=0.3+\frac{a_1}{1-r}=0.3+\frac{7.8(0.01)}{1-0.01}=\frac{25}{66}$
Algebra 2 (1st Edition)
by Larson, Ron; Boswell, Laurie; Kanold, Timothy D.; Stiff, Lee
Published by
McDougal Littell
ISBN 10:
0618595414
ISBN 13:
978-0-61859-541-9
Chapter 12 Sequences and Series - Chapter Review - Page 842: 30
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