SOLUTION: There are four envelops and 4 letters. In how many ways wrong choices be made ?

SOLUTION: There are four envelops and 4 letters. In how many ways wrong choices be made ?

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Question 855649: There are four envelops and 4 letters. In how many ways wrong choices be made ?
Answer by harpazo(655) (Show Source): You can put this solution on YOUR website!
4P4 = 4!/(4-4)!
4P4 = 4!/0!
4P4 = 24/1
4P4 = 24
Answer: 24 ways
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