## Algebra 2 (1st Edition)

Published by McDougal Littell

# Chapter 12 Sequences and Series - 12.3 Analyze Geometric Sequences and Series - 12.3 Exercises - Skill Practice - Page 814: 37

See below.

#### Work Step by Step

$a_n=a_1\cdot r^{n-1}$, hence here $a_n=3\cdot2^{n-1}$

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