There are 10 movies that Greg would like to rent but the store only allows him to have 4 movies at one time. In how many ways can Greg choose 4 of the 10 movies?
A) 210
B) 40
C) 10,000
D) 5040

Question

Quizplus · Accepted Answer

The number of ways to choose 4 movies out of 10 is given by the combination formula C(n, k) = n! / (k!(n-k)!), where n is the total number of movies, and k is the number of movies to choose. Here, C(10, 4) = 10! / (4! * 6!) = 210.

There Are 10 Movies That Greg Would Like to Rent