Question 92887
1. {{{P(12,7) = 12!/(12-7)! = 12!/5! = 6x7x8x9x10x11x12 = 3991680}}}
2. {{{C(12,7) = 12!/(7!(12-7)!) = 12!/(7!5!) = 8x9x10x11x12/5! = 792}}}