Question

NEED HELP WITH COUPLE OF QUESTIONS PLEASE!

Answer 1

\[
_nP_k = \frac{n!}{(n-k)!} \\
3) ~~ _8P_3 = \frac{8!}{(8-3)!} = ~~?
\]

Answer 2

5?

Answer 3

\[
) ~~ _8P_3 = \frac{8!}{(8-3)!} = \frac{8!}{5!} = \frac{8\times7\times6\times5!}{5!} =
8\times7\times6 = 336
\]

Answer 4

Thanks, and the other two please