Precalculus (6th Edition) Blitzer

Published by Pearson
ISBN 10: 0-13446-914-3
ISBN 13: 978-0-13446-914-0

Chapter 10 - Section 10.3 - Geoetric Sequences and Series - Exercise Set - Page 1074: 45



Work Step by Step

The general formula to find the sum of an infinite Geometric series is given as: $ S_{n}=\dfrac{a_1}{(1-r)}$ and $ r=\dfrac{5/100}{5/10}=0.1$ Now, $ S_{n}=\dfrac{a_1}{(1-r)}=\dfrac{5/10}{1-0.1}$ Our answer is: $ S_{n}=\dfrac{5/10}{9/10}=\dfrac{5}{9}$
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