Question

Question on Permutation. HELP

Answer 1

The number of permutations of 9 different things taken 5 at a time without repetitions is given by:
\[P(9, 5)=\frac{9!}{(9-5)!}\]

Answer 2

i get 15120 as the answer but that is not one of the options

Answer 3

A. 3628800
B. 90
C. 45
D. 10

Answer 4

@kropot72

Answer 5

The answer A is 9!
\[9!=362880\]
This is the number of permutations of 9 different things taken all at a time.

Answer 6

thank you!!

Answer 7

You're welcome :)