SOLUTION: how many arrangements are there of the letters in DATAMANAGEMENT?

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Question 513228: how many arrangements are there of the letters in DATAMANAGEMENT?
Answer by MathLover1(20849) About Me  (Show Source):
You can put this solution on YOUR website!

In general,
The number of permutations of n different things taken n at a time
is n%21.

in your case, there are 14 letters in " DATAMANAGEMENT"
and you put:
14%21
and that's it because there is no certain order or any other number of things
so 14%21=14%2A13%2A12%2A11%2A10%2A9%2A8%2A7%2A6%2A5%2A4%2A3%2A2%2A1=87178291200 arrangement