Answer
$$=-170$$
Work Step by Step
Evaluate $r^{3} - 2r^{2} + 5$ for $r = -5$
$$=-5^{3}- 2(-5)^{2}) + 5$$ $$=-125-2(25)+5$$ $$=-125-50+5$$ $$=-175+5$$ $$=-170$$
Intermediate Algebra for College Students (7th Edition)
by Blitzer, Robert F.
Published by
Pearson
ISBN 10:
0-13417-894-7
ISBN 13:
978-0-13417-894-3
Chapter 1 - Section 1.7 - Scientific Notation - Exercise Set - Page 91: 98
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