Asked by Katie L.
How many ways can a teacher arrange 10 students in a front row if there are 60 students
I think I do 60!/50! = 2.74 *10^17
How many ways can you choose committee of 7 from a total of 20
(20 nCr7) = 77520
I think I do 60!/50! = 2.74 *10^17
How many ways can you choose committee of 7 from a total of 20
(20 nCr7) = 77520
Answers
Answered by
MathMate
Both correct!
Order is important for the first one, and not on the second.
Order is important for the first one, and not on the second.
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