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: 43



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=-0.3; a_1=8$ Now, $ S_{n}=\dfrac{a_1}{(1-r)}=\dfrac{8}{1-(-0.3)}$ Our answer is: $ S_{n}=\dfrac{8}{1.3}=\dfrac{80}{13}$
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