Elementary and Intermediate Algebra: Concepts & Applications (6th Edition)

Published by Pearson
ISBN 10: 0-32184-874-8
ISBN 13: 978-0-32184-874-1

Chapter 14 - Sequences, Series, and the Binomial Theorem - 14.1 Sequences and Series - 14.1 Exercise Set: 17

Answer

-23.5

Work Step by Step

If we want to find the 12th term, we have to substitute $n$ by 12: $a_{12}=(-1)^{12-1}(3.4(12)-17.3)=(-1)^{11}(40.8-17.3)=(-1)23.5=-23.5$
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