Question

in Mr. Hartman's Government class, there are 18 students. He needs to choose 3 of them to be the class's delegation to the model United Nations competition. How many different teams could he form

Answer 1

The number of different teams Mr. Hartman could form is:

18 choose 3 = 18! / (3! 15!) = 816

Therefore, he could form 816 different teams.