Algebra 2 (1st Edition)

Published by McDougal Littell
ISBN 10: 0618595414
ISBN 13: 978-0-61859-541-9

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

Answer

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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