Respuesta :

ASimpleEngineer

Answer:

C. 1365

Step-by-step explanation:

The expression nCr can be written with the simple equation:

n! / ((n-r)! * r!)

So to evaluate 15C4:

15! / ((15-4)! * 4!)

= 1365

So 15C4 = 1365

Cheers.

valerieulbrich

Answer:

1365

Step-by-step explanation:

15!/4!(15-4)!

1365

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