If an ice cream store has 4 different flavors, Apple, Blueberry, Cantaloupe, and Duck.
How many three-scoop ice cream cones can be created if the order doesn’t matter. (That is ABC and ACB are the same.)
AAA
AAB
AAC
etc.

How many three-scoop ice cream cones can be created if the order does matter. (That is ABC and ACB are different.)

AAA
AAB
ABA
BAA
etc.

Q&A Education