Calculus 8th Edition

Published by Cengage
ISBN 10: 1285740629
ISBN 13: 978-1-28574-062-1

Appendix E - Sigma Notation - E Exercises - Page A38: 26



Work Step by Step

We expand and simplify the sum: $\displaystyle \sum_{i=1}^{100}4$ $=4+4+4+\cdots+4$ Since there are exactly 100 terms: $=100* 4$ $=400$
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