answersLogoWhite

0

That would be:

20! / 10!

= 20 * 19 * 18 * 17 * 16 * 15 * 14 * 13 * 12 * 11

= 670442572800

* * * * *

No!

That is the number of permutations! The number of combinations is 20C10 = 20!/(10!*10!) = 20*19*18*17*16*15*14*13*12*11/(10*9*8*7*6*5*4*3*2*1)

= 184,756

User Avatar

Wiki User

11y ago

What else can I help you with?