Question

Evaluate 9 P 4.
15,120
36
3,024
504

Answer 1

can someone help me with the answer to this

Answer 2

hello

Answer 3

\(^nP_r=\frac{(n!)}{(n-r)!}\)

Answer 4

so \(^9P_4=\frac{(9!)}{(9-4)!}\)

Answer 5

\(^9P_4=\frac{9!}{5!}=\frac{9\times8\times7\times6\times5!}{5!}\)

Answer 6

Then,simplify it
\(=\frac{9\times8\times7\times6\times\cancel{5!}}{\cancel{5!}}\)

Answer 7

=?
solve it! @brandi1986