Algebra 2 (1st Edition)

Published by McDougal Littell
ISBN 10: 0618595414
ISBN 13: 978-0-61859-541-9

Chapter 12 Sequences and Series - 12.1 Define and Use Sequences and Series - 12.1 Exercises - Skill Practice - Page 799: 47



Work Step by Step

Using the formula for the sum, we find: $$\sum _{k=1}^nk^3=\frac{1}{4}n^2\left(n+1\right)^2\\ \frac{1}{4}\cdot \:4^2\left(4+1\right)^2 \\100$$
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