1.Determine whether the object is a permutation or a combination.

an automobile license plate number

Choose the correct answer below.

A.

This is a combination because repetition is not allowed and the order of the items does not matter.

B.

This is neither a permutation nor a combination because repetition is allowed.

C.

This is a permutation because repetition is not allowed and the order of the items matters.

D.

There is not enough information given to make a decision.

2.A contractor builds homes of 11 different models and presently has 4 lots to build on. In how many different ways can he arrange homes on theselots? Assume 4 different models will be built.

The answer is ______arrangements.

3.How many ways can a president and vice dash president be chosen from a committee of 7 people?

The number of ways to choose a president and vice dash president is ______?

4.How many ways can a teacher give six different prizes to six of her 21 students?

She can award the prizes in _____ways.

5.In a race in which ten automobiles are entered and there are noties, in how many ways can the first three finishers comein?

There are _____ways for the first three finishers to come in.