Respuesta :

We have 8 digits:

[tex]1,2,2,2,2,0,0,1[/tex]

So, the number of combinations is:

[tex]C=8!=40320[/tex]

However:

2 is repeated 4 times

0 is repeated 2 times

1 is repeated 2 times

Therefore:

[tex]T=\frac{40320}{4!\cdot2!\cdot2!}=420[/tex]

Answer:

420

Otras preguntas