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You have to answer 2 essay questions for an exam. There are 8 essays to choose from. How many different groups of 2 essays could you possibly choose?

Respuesta :

Answer:

20160

Step-by-step explanation:

in order to find the number of possible essays you can choose from you have to divide the factorial of total no. of essays by the no of essay questions for an exam. ie 8!/ 2! which is 40320/2 = 20160

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