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

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(69443) (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.
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How do I know? I was there.

Answer by stanbon(75887) (Show Source): You can put this solution on YOUR website!
one way
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Cheers,
Stan H.
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