1. The number of different stock abbreviations for which each abbreviation consists of four letters, none repeated.
2. The number of different airport codes in which each code consists of three letters, none repeated.
3. The selection of three different flavors of ice cream (out of 29 flavors) for the three scoops of ice cream in a sundae.
4. The selection of three different flavors of ice cream (out of 29 flavors) for the three scoops of ice cream on an ice cream cone, where order matters.
5. The number of possible sums when two dice are rolled and the numbers displayed are added.
6. The number of possible meals consisting of an appetizer, a main course, and a dessert from a restaurant that offers 5 different appetizers, 10 main courses, and 4 desserts.