# Chapter 8, Sequences and Series - Section 8.1 - Sequences and Summation Notation - 8.1 Exercises: 69

$\sum_{k=1}^{10}k^{2}$

#### Work Step by Step

We write the sum in sigma notation: (We notice that the terms are integers to the second power.) $1^{2}+2^{2}+3^{2}+ ...+10^{2}=\sum_{k=1}^{10}k^{2}$

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