Evaluate the expression. P(7, 3) · P(3, 2)

Question

how would you solve this problem?

Answer 1

Hi Penelope,

There are formulas for this: P(n,k) = n! / (n - k)!

Where n! = 1*2*3*...*(n-1)*n.

So you just need to calculate P(7,3)*P(3,2) = (7! / 4!)*(3! / 1!)

Where are you getting stuck?