SOLUTION: How many permutations of 4 different letters are there, chosen from the twenty six letters of the alphabet (repetition is not allowed)?

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Question 747608: How many permutations of 4 different letters are there, chosen from the twenty six letters of the alphabet (repetition is not allowed)?


Answer by checkley79(3341) About Me  (Show Source):
You can put this solution on YOUR website!
26 nPr 4
26!/(26-4)!
26*25*24*23=358,800 ANS.