SOLUTION: How many ways can 3 of 5 objects be arranged in a row?

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Question 935555: How many ways can 3 of 5 objects be arranged in a row?
Answer by hovuquocan1997(83) About Me  (Show Source):
You can put this solution on YOUR website!
This is a permutation problem, so you can use the formula for permutation
%285%21%29%2F%28%285-3%29%21%29
%285%2A4%2A3%2A2%2A1%29%2F%282%21%29
%285%2A4%2A3%2A2%2A1%29%2F%282%2A1%29
%285%2A4%2A3%29=60
So there are 60 ways possible of arranging 3 of 5 objects in a row.
:D