Answer
$\displaystyle \sum_{i=1}^{4}10=40$
Work Step by Step
$\displaystyle \sum_{k=1}^{4}10=10+10+10+10=40$
Algebra and Trigonometry 10th Edition
by Larson, Ron
Published by
Cengage Learning
ISBN 10:
9781337271172
ISBN 13:
978-1-33727-117-2
Chapter 11 - 11.1 - Sequences and Series - 11.1 Exercises - Page 778: 68
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