00:01
In this situation, we have a committee of nine people, and we want to choose four of those people.
00:06
But in this case, they want to choose a president, a vice president, secretary, and treasure, which means that the order in which we pick the people is important.
00:16
So this is a choose four in an ordered fashion because of this, the order situation.
00:24
So in this case, we have a permutation.
00:28
So this one, most calculators have permutations.
00:33
If you don't know where your calculator has it, you should find it.
00:38
And usually the way it is written is nine permutations...