College Algebra 7th Edition

Published by Brooks Cole
ISBN 10: 1305115546
ISBN 13: 978-1-30511-554-5

Chapter 8, Sequences and Series - Section 8.1 - Sequences and Summation Notation - 8.1 Exercises: 61

Answer

$1^{3}+2^{3}+3^{3}+4^{3}=1+8+27+64=100$

Work Step by Step

We expand the sum: $\sum_{k=1}^{4}k^{3}=1^{3}+2^{3}+3^{3}+4^{3}=1+8+27+64$
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