document.write( "Question 747608: How many permutations of 4 different letters are there, chosen from the twenty six letters of the alphabet (repetition is not allowed)?\r
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Algebra.Com's Answer #455042 by checkley79(3341)\"\" \"About 
You can put this solution on YOUR website!
26 nPr 4
\n" ); document.write( "26!/(26-4)!
\n" ); document.write( "26*25*24*23=358,800 ANS.
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