A catering service offers
main courses, and
desserts. A customer is to select
desserts for a banquet. In how many ways can this be done?
Provided that you have to choose 1 of each and since all these choices are independent from each other, multiply them together:
answer = 11 x 4 x 9 x 4 x 2 x 7
Do you have to choose one of each? If not, we will get a different answer.