In how many ways can a voter rank four candidates, without allowing ties?

Name: In how many ways can a voter rank four candidates, without allowing ties?
Brand: Quizplus
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Question

Quizplus · Accepted Answer

There are four ways to choose the first candidate, three ways to choose the second candidate (since one has already been chosen), two ways to choose the third candidate, and one way to choose the fourth candidate. This gives a total of $4	imes 3	imes 2	imes 1=24$ ways to rank the candidates.

In How Many Ways Can a Voter Rank Four Candidates