Students will be able to
- determine the difference between permutations and combinations, that is, that order is disregarded for a combination,
- recall that ,
- evaluate simple expressions involving combinations,
- use combinations to solve counting problems (e.g., How many teams of 4 can be selected from a group of 20?),
- find the value of an unknown in equations involving combinations, for example, or ,
- link the fundamental counting principle and combinations.