bellasmith51 bellasmith51
  • 16-07-2020
  • Mathematics
contestada

Help me please 20 points!!!

Help me please 20 points class=

Respuesta :

swan85 swan85
  • 16-07-2020

Answer:

Step-by-step explanation:

7- 4!= 4*3*2*1=24

8-  10C3 = 10!/(3!*(10!-3!) = 120

9- 7 P3 =7!/(7-3)! = 210

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