Respuesta :

Answer:

Step-by-step explanation:

6! = 6*5*4*3*2*1 =720

3! - 21 = 3*2*1 - 21 = 6 - 21 = (-15)

[tex]\frac{6!}{3!}=\frac{6*5*4*3*2*1}{3*2*1}\\\\=6*5*4=120[/tex]

Answer:

6! = 720

3! x 2! = 12

6!/3! = 120

Step-by-step explanation: