3 years ago

How to solve for 40! / 10!30!

1 answer:

3 0

40! / 30! = 40*39*38*37*36*35*34*33*32*31

dividing this by 10! 10*9*8*7*6*5*4*3*2*1

= 4*13*19*37*17*11*4*31

= 847,660,528

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