Precalculus (6th Edition) Blitzer

Published by Pearson
ISBN 10: 0-13446-914-3
ISBN 13: 978-0-13446-914-0

Chapter 10 - Review Exercises - Page 1125: 49

Answer

$20$

Work Step by Step

The sum of an infinite geometric sequence is given as: $ S=\dfrac{a_1}{1-r}$ Here, $ a_1=4$ and common ratio is: $ r=0.8$ $ S=\dfrac{a_1}{1-r}$ Now, $ S=\dfrac{4}{1-0.8}=20$
Update this answer!

You can help us out by revising, improving and updating this answer.

Update this answer

After you claim an answer you’ll have 24 hours to send in a draft. An editor will review the submission and either publish your submission or provide feedback.