Answer
114
Work Step by Step
We know that $n!= 1\times2\times3...\times n$
Then, $5!-3!= (5\times4\times3\times2\times1)-(3\times2\times1)=120-6= 114$
Thinking Mathematically (6th Edition)
by Blitzer, Robert F.
Published by
Pearson
ISBN 10:
0321867327
ISBN 13:
978-0-32186-732-2
Chapter 11 - Counting Methods and Probability Theory - Chapter Summary, Review, and Test - Review Exercises - Page 758: 9
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