Answer
$a_{10}=\frac{1}{128}$
Work Step by Step
$a_n=a_1r^{n-1}$
$a_1=4,~~r=\frac{1}{2}$
$a_{10}=4(\frac{1}{2})^{10-1}=4(\frac{1}{2})^9=4.\frac{1}{512}=\frac{1}{128}$
Algebra and Trigonometry 10th Edition
by Larson, Ron
Published by
Cengage Learning
ISBN 10:
9781337271172
ISBN 13:
978-1-33727-117-2
Chapter 11 - 11.3 - Geometric Sequences and Series - 11.3 Exercises - Page 795: 23
Update this answer!
You can help us out by revising, improving and updating this answer.
Update this answerAfter 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.
