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Hello need help Thank you. A phone number in Cameroon consists of 9 digits. From the theoretical capacity of the Cameroonian telephone network, say whether the 4 current operators (CAMTEL MTN, NEXTTEL and ORANGE) can meet a demand for 150 million subscriptions. 1) How many different ways can you arrange four people in four numbered chairs?2) How many ways can you give 10 balloons to 3 children, 4 for the first and 3 for each of the other two?

Sagot :

1) How many different ways can you arrange four people in four numbered chairs?

To find the number of ways four people can be arranged in four numbered chairs, we have:

[tex]4![/tex][tex]4\text{ }\ast\text{ 3 }\ast\text{ 2 }\ast\text{ 1 = 24 ways}[/tex]

There are 24 ways, to arrange four people in four numbered chairs

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