Answer
26,970
Work Step by Step
$\frac{31!}{28!}$ = $\frac{31*30*29*28!}{28!}$
28! is common in the numerator and the denominator of the given expression, so cancel 28!.
Therefore, evaluate $31*30*29 =26,970$
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 - 11.2 Permutations - Exercise Set 11.2 - Page 701: 16
Update this answer!
You can help us out by revising, improving and updating this answer.
Update this answerAfter you claim an answer you’ll have 24 hours to send in a draft. An editor will review the submission and either publish your submission or provide feedback.
