Precalculus (6th Edition)

Published by Pearson
ISBN 10: 013421742X
ISBN 13: 978-0-13421-742-0

Chapter 11 - Further Topics in Algebra - 11.1 Sequences and Series - 11.1 Exercises - Page 1014: 48


$\dfrac {75}{2}$

Work Step by Step

$\sum ^{2}_{i=-1}5\left( 2\right) ^{i}=5\left( 2^{-1}+2^{0}+2^{1}+2^{2}\right) =\dfrac {75}{2}$
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