Algebra and Trigonometry 10th Edition

Published by Cengage Learning
ISBN 10: 9781337271172
ISBN 13: 978-1-33727-117-2

Chapter 11 - Review Exercises - Page 841: 43


$a_1=2$ $a_2=30$ $a_3=450$ $a_4=6750$ $a_5=101250$

Work Step by Step

The nth term of a geometric sequence: $a_n=a_1r^{n-1}$ $a_1=2,~~r=15$ $a_2=2(15)^{2-1}=2(15)=30$ $a_3=2(15)^{3-1}=2(225)=450$ $a_4=2(15)^{4-1}=2(3375)=6750$ $a_5=2(15)^{5-1}=2(50625)=101250$
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