Intermediate Algebra for College Students (7th Edition)

Published by Pearson
ISBN 10: 0-13417-894-7
ISBN 13: 978-0-13417-894-3

Chapter 11 - Section 11.3 - Geometric Sequences and Series - Exercise Set - Page 854: 13


$a_1=-4 \\a_2= 40 \\a_3=-400 \\a_4=4000 \\a_5=-40000$

Work Step by Step

Multiply the common ratio to get the next term to obtain: $a_1=-4 \\a_2=-4(-10) = 40 \\a_3=40(-10)=-400 \\a_4=-400(-10)=4000 \\a_5=4000(-10) = -40000$
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