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09-03-2019
Mathematics

contestada

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

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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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