Answer
See below.
Work Step by Step
The first term of $\sum\limits_{i=1}^{20}(6i-4)$ is $6(1)-4=2$ and the last term is $6(20)-4=116$.
Intermediate Algebra for College Students (7th Edition)
by Blitzer, Robert F.
Published by
Pearson
ISBN 10:
0-13417-894-7
ISBN 13:
978-0-13417-894-3
Chapter 11 - Section 11.2 - Arithmetic Sequences - Concept and Vocabulary Check - Page 839: 4
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