SOLUTION: how many different pairs can be made from 5 different items

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Question 346765: how many different pairs can be made from 5 different items
Answer by nyc_function(2741)   (Show Source): You can put this solution on YOUR website!
5 factorial which is written 5! = 5 x 4 x 3 x 2 x 1 = 120 ways.
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