College Algebra (6th Edition)

Published by Pearson
ISBN 10: 0-32178-228-3
ISBN 13: 978-0-32178-228-1

Chapter 8 - Sequences, Induction, and Probability - Exercise Set 8.3 - Page 740: 66

Answer

The saving on thirtieth day $x_{30}$ = 536870912

Work Step by Step

Given Saving on first day $x_{1}$ = 1 As saving will be twice next day (common ratio)(r) = 2 By formula $x_{n}$= $x_{1} r^{n-1}$ The saving on thirtieth day $x_{30}$ = $1\times(2)^{30 - 1}$ = $(2)^{29}$= 536870912
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