Posted by **Christina** on Wednesday, April 22, 2009 at 9:58pm.

how do you do permutations???

distinguishable

ex. Sweetwater

would you put the total number of the letters on top and then put what is repeated on bottom???

- Algebra 2 -
**Reiny**, Wednesday, April 22, 2009 at 10:37pm
there are a total of 10 letters, consisting of 3 e's,

2 t's, 2 w's, s, a, and r.

for this problem

no of permutations (arrangements)

= 10!/(3!2!2!) = 151200

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