SOLUTION: An inspector must select 5 tests to perform in a certain order. He has a choice of 9 tests. How many ways can he perform 5 different tests?

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Question 840243: An inspector must select 5 tests to perform in a certain order. He has a choice of 9 tests. How many ways can he perform 5 different tests?
Answer by ewatrrr(24785) About Me  (Show Source):
You can put this solution on YOUR website!
 

Hi

An inspector must select 5 tests to perform in a certain order. 

He has a choice of 9 tests. How many ways can he perform 5 different tests?

  9C5 = %289%2A8%2A7%2A6%29%2F+%284%2A3%2A2%29+=+126