Unit 10 Review Warm-Up: Permutations & Combinations

15 people are in your PE class and you are to select 4 of them for your team. How many teams are possible?

Possible security code combinations on an alarm system? Combination/Permutation/Neither

Rotating the 4 tires on a car. Combination/Permutation/Neither?

20 People are in a spelling bee. How many ways can 1st and 2nd places be awarded?

A Kentucky standard license plates come in 4 digits using numbers 1-9 with no repeating numbers. How many are possible?

Order matters in which of the following arrangements of items?

A salad bar has 8 different things. How many ways could you choose 4 or 5 toppings?