Question

Permutations i need help

Answer 1

that equals 12!/(12-9)!

which equals (12 x 11 x 10 x 9 x8 x 7 x6 x5 x4 x 3 x 2) / (3 x 2)

which equals 12 x 11 x 10 x 9 x8 x 7 x6 x5 x4 = 79,833,600