A teacher has a class of 20 students and wishes to build a team of 4 students.

A teacher has a class of 20 students and wishes to build a team of 4 students. How many diffent arrangements are possible?
A teacher has a class of 20 students and wishes to build a team of 4 students. How manydiffent arrangements are possible?This is given by combinations theory= 20C4 = 4845

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