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26-01-2017
Mathematics

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Find the number of permutations in the word “swimming”.

Someone please help! I have gone over the lesson and I still don't understand how to determine the answer.

Respuesta :

26-01-2017

I believe it is 8!/(2!*2!)
You have a total of 8 letters but you have 2 letters that repeat twice each.
(8*7*6*5*4*3*2*1)/(2*1*2*1)
8*7*6*5*3*2 = 10,080 ways

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