Answer
$\frac{41000}{333}$
Work Step by Step
$123.123123...=123(0.001)^0+123(0.001)^1+...=\frac{a_1}{1-r}=\frac{123(0.01)^0}{1-0.001}=\frac{123}{0.999}=\frac{123000}{999}=\frac{41000}{333}$
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 - 12.5 Use Recursive Rules with Sequences and Functions - 12.5 Exercises - Quiz for Lessons 12.4-12.5 - Page 833: 6
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