Answer
$360$
Work Step by Step
The number of permutation of 6 items taken 4 at a time :
$P(6,4)=\frac{6!}{(6-4)!}=\frac{6*5*4*3*2*1}{2*1}=6*5*4*3=360$
Finite Math and Applied Calculus (6th Edition)
by Waner, Stefan; Costenoble, Steven
Published by
Brooks Cole
ISBN 10:
1133607705
ISBN 13:
978-1-13360-770-0
Chapter 6 - Section 6.4 - Permutations and Combinations - Exercises - Page 437: 5
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