Answer
$100$
Work Step by Step
Plug in $n = 50$ to find the $50$th term of the sequence.
$\frac{2(50)}{(-1)^{50}} = \frac{100}{1} = 100$
Intermediate Algebra (6th Edition)
by Martin-Gay, Elayn
Published by
Pearson
ISBN 10:
0321785045
ISBN 13:
978-0-32178-504-6
Chapter 11 - Review - Page 667: 4
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