Respuesta :

aayu0302

Answer:

330

Step-by-step explanation:

11

C

4

We use formula n! /((n-r)!r!)

11!/((11-4)!4!)

11!/((7!)(4!))

11x10x9x8x7!/(7!)(4!)

11x10x9x8/(4!)

11x10x72/24

11x10x3

330

Therefore number of ways =330