Respuesta :

konrad509

The order matters.

[tex]k [/tex] objects can be chosen out of [tex] n [/tex] objects, when the order matters, in [tex] P(n,k)=\dfrac{n!}{(n-k)!} [/tex] ways.

So the answer is [tex] P(6,4)=\dfrac{6!}{2!}=3\cdot4\cdot5\cdot6=360 [/tex] ways.