Answer
$200$
Work Step by Step
Here, we have the first term: $i_1=2(1)^3 =2$;
Second Term: $i_2=2(2)^3=16$
Third Term: $i_3=2(3)^3=54$
Last Term: $i_4=2(4)^3=128$
Add all the terms: $S_i=2+16+54+128=200$
Algebra 2 (1st Edition)
by Larson, Ron; Boswell, Laurie; Kanold, Timothy D.; Stiff, Lee
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 - Quiz for Lessons 12.1-12.3 - Page 817: 7
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