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03-10-2021
Mathematics

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there are 7 boys and girls in a club. How many different ways to form a queue starting with a girl after each girl?

Respuesta :

03-10-2021

Answer:

7 girls can go in the first place, 6 in the second, etc.

7! ways is the number of ways to arrange the girls.

likewise the boys can be arranged in 7! ways

The total number of ways becomes 7! * 7!

7! * 7! = 25,401 600 ways

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