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: 2

Answer

$n$ $S_{4}=1^{2}+2^{2}+3^{2}+4^{2}=30$

Work Step by Step

The $n$th partial sum of a sequence is the sum of the first ___$n$___ terms of the sequence. So for the sequence $a_{n}=n^{2}$ the fourth partial sum is ___$S_{4}=1^{2}+2^{2}+3^{2}+4^{2}=30$___.
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