Combinations refers to the numbers of ways a group of objectscan be arranged, such that the order is NOT important
ie: Suppose 5 {A, B, C, D, E} people were in a game, how manydifferent ways can 3 people be chosen for 1st , 2nd , and 3rd place?
In this situation, the order is important, so we would use permutations
Ie: Suppose 3 people would be chosen to advance into the next round,how many groups of 3 can be created?
If we list out the permutations, some of them will be the samecombination because they have the same letters
With combinations, the order is not important, so there are only 10 combinations!