Respuesta :

FLORC
There are 6 things
1 2 3 4 5 6
There are 3 at a time
So 6!(things) / (6-3)! (things-how many at a time)
6!/(6-3)! Or 6!/3!
! Means multiply all below that number so
6×5×4×3×2×1/ 3×2×1

30×4×3×2×1/3×2×1
You can simplify 3×2×1 since they are both on top and bottom they cancel out
30×4= 120
mreijepatmat
Another method is to use the permutation formula:

₅P₃ = (5!)/(5-3)! = 5!/2! = 120/2 = 60

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