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  • 09-03-2019
  • Mathematics
contestada

How many nonempty collections of letters can be formed from four as and eight bs?

Respuesta :

Аноним Аноним
  • 09-03-2019

Answer:

495.

Step-by-step explanation:

The number of arrangements of letters   = 12! / 8!4!  because there are a total of 1 letters  and 4 are a's  and 8 are b's.

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