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Mathematics 10 Online
OpenStudy (anonymous):

How do I evaluate 9!*4!/7!*2! My calculator keeps coming up with something other than the options. 72 864 144 288

OpenStudy (paki):

(9*8*7*6*5*4*3*2*1)(4*3*2*1) / (7*6*5*4*3*2*1)(2*1) .... cancel the like terms first so that calculation may be easy... and solve then....

OpenStudy (anonymous):

I'm still coming up with 3456 and that isn't an option :(

OpenStudy (anonymous):

Wait I think I have it is it 864?

OpenStudy (paki):

have you entered the correct values...?

OpenStudy (anonymous):

Thank you I think I got it right now! That was big help!!!

OpenStudy (paki):

oh... good... pleasure bro....

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