Answer
$a_8=-92.4$
Work Step by Step
$a_1=-0.7,~~a_2=-13.8$
$d=a_2-a_1=-13.8-(-0.7)=-13.8+0.7=-13.1$
$a_n=a_1+(n-1)d$
$a_8=-0.7+(8-1)(-13.1)=-0.7+(7)(-13.1)=-92.4$
Algebra and Trigonometry 10th Edition
by Larson, Ron
Published by
Cengage Learning
ISBN 10:
9781337271172
ISBN 13:
978-1-33727-117-2
Chapter 11 - 11.2 - Arithmetic Sequences and Partial Sums - 11.2 Exercises - Page 786: 44
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.
