Answer
$0$
Work Step by Step
$\sum_{i=1}^5 -x_i$
$=(-x_1)+(-x_2)+(-x_3)+(-x_4)+(-x_5)$
$=-(-2)+-(-1)+-0+-1+-2$
$=2+1+0-1-2$
$=\boxed{0}$
Precalculus (6th Edition)
by Lial, Margaret L.; Hornsby, John; Schneider, David I.; Daniels, Callie
Published by
Pearson
ISBN 10:
013421742X
ISBN 13:
978-0-13421-742-0
Chapter 11 - Further Topics in Algebra - 11.1 Sequences and Series - 11.1 Exercises - Page 1015: 60
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