Question

evaluate(n-r)! wheren=7 r=4

Answer 1

n = 7

r = 4

(n-r)! = (7 - 4)! = 3! = 1×2×3 = 6

Your answer is 6.

Answer 2

• (n - r)
• =(7 - 4)
• =      3
• thank you