# SOLUTION: How many ways can 10 people be placed in alphabetical order according to their first names? Show how you know.

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 Algebra: Combinatorics and Permutations Solvers Lessons Answers archive Quiz In Depth

 Question 302632: How many ways can 10 people be placed in alphabetical order according to their first names? Show how you know.Found 2 solutions by Alan3354, stanbon:Answer by Alan3354(34673)   (Show Source): You can put this solution on YOUR website!If each of the names are different, only 1 way. If there are duplicates, then each pair offers 2 ways. If 3 have the same name, then there are 3! possibilities, = 6, etc. -------------- How do I know? I was there. Answer by stanbon(60771)   (Show Source): You can put this solution on YOUR website!one way =========== Cheers, Stan H.