contestada

= n! Use: n k!(n-k)! to solve the combination. At a Chinese buffet, there are five entree selections. If two entrees may be selected, how many ways may the plates be filled? [?] ways Enter

n Use n knk to solve the combination At a Chinese buffet there are five entree selections If two entrees may be selected how many ways may the plates be filled class=

Respuesta :

[tex]_nC_k=\frac{n!}{k!(n-k)!}[/tex]

Otras preguntas