# Chapter 10 - Section 10.2 - Arithmetic Sequences - Exercise Set - Page 1059: 41

$3660$

#### Work Step by Step

Formula to calculate the sum of an arithmetic sequence is: $S_n=\dfrac{n}{2}(a_1+a_n)$ ...(1) Here, $a_1:$ First term and $a_n=$last term Then, our first (1) equation becomes: $S_{60}=\dfrac{60}{2}(2+120)\\=30(122)\\=3660$

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