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

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

Ad: Algebrator™ solves your algebra problems and provides step-by-step explanations!
Ad: Algebra Solved!™: algebra software solves algebra homework problems with step-by-step help!

   

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(30993) About Me  (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(57282) About Me  (Show Source):
You can put this solution on YOUR website!
one way
===========
Cheers,
Stan H.