# Katelyn was asked to hang 4 student paintings in a row on the wall. How many different ways could she arrange them?

##### 1 Answer

Mar 17, 2017

#### Explanation:

We can look at this by saying that Spot 1 for a painting can take any of the 4 paintings, so we have 4 choices.

Spot 2 then can take any of the 3 remaining paintings - so 3 choices.

Spot 3 can choose from the remaining 2 paintings - so 2 choices

Which puts the remaining painting in Spot 4 - and so 1 choice.

We can then multiply these together: