Jeanine Baker makes floral arrangements. She has 14 different cut flowers and plans to use 4 of them. How many different selections of the 4 flowers are possible?

14 * 13 * 12 * 11

There are 4 possibilities. So at first it can be any of cut flowers. Second; There are 13 possibilities for the flower she is going to use. Because we know that she already choose we say it is 13. And it goes on like this.