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Mathematics 20 Online
OpenStudy (anonymous):

What is 6!/3!

jimthompson5910 (jim_thompson5910):

6! means 6*5*4*3*2*1 you start with 6 and multiply all the whole numbers smaller than it until you get to 1

jimthompson5910 (jim_thompson5910):

other examples 8! = 8*7*6*5*4*3*2*1 14! = 14*13*12*11*10*9*8*7*6*5*4*3*2*1

OpenStudy (anonymous):

Here is the question

jimthompson5910 (jim_thompson5910):

6! = 6*5*4*3*2*1 = ???

jimthompson5910 (jim_thompson5910):

what do you get when you compute 6*5*4*3*2*1

OpenStudy (anonymous):

its 120

OpenStudy (anonymous):

6*5*4*3*2*1/3*2*1 3*2*1/3*2*1 cancels out and your left with 6*5*4= 120

OpenStudy (kendricklamar2014):

6*5*4*3*2*1 = 720 3*2*1 = 6

OpenStudy (kendricklamar2014):

720/6 = 120

OpenStudy (anonymous):

Thats right the answer is B= 120 4x5x6

OpenStudy (anonymous):

(1x2x3x4x5x6)/(1x2x3) = 4x5x6

OpenStudy (kendricklamar2014):

Yup, B is the answer :)

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