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Mathematics 16 Online
OpenStudy (anonymous):

In how many ways can a teacher arrange 10 students in the front row if there are 60 total students?

OpenStudy (anonymous):

@ganeshie8

OpenStudy (kropot72):

\[60P10=\frac{60!}{50!}\]

OpenStudy (anonymous):

10! 60! / (10! 50!) = 60! / 50!

OpenStudy (anonymous):

=273,589,847,231,500,800

OpenStudy (anonymous):

?

OpenStudy (kropot72):

The question asks for arrangements. Therefore permutations are required.

OpenStudy (anonymous):

Is that the answer? or no

OpenStudy (kropot72):

My calculator took it to 10 significant figures. Therefore I can't be sure of your last 8 digits.

OpenStudy (anonymous):

@AravindG

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