Question

Evaluate P(3, 0).
3!/0!(3-0)!
is it 1?

Answer 1

yup

Answer 2

But your formula is wrong..

Answer 3

0! = 1

Answer 4

yep:P sorry

Answer 5

\[\huge ^3P_0 = \frac{3!}{(3-0)!} \implies \frac{3!}{3!} = 1\]