no -- 6*5*4 / 1*2*3 = 20
You calculated 6P3
1. Solve:
6C3
120***?
720
20
240
is this right?
3 answers
oh, that's actually what i thought at first. i had a little debate.
anyway thank you!:)
anyway thank you!:)
for combinations:
n!/[r!(n-r)!]
6! /[ 3! (6-3)! ]
6*5*4/ (3*2*1)
n!/[r!(n-r)!]
6! /[ 3! (6-3)! ]
6*5*4/ (3*2*1)