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nikklg [1K]
3 years ago
10

Help me please 20 points!!!

Mathematics
1 answer:
Strike441 [17]3 years ago
6 0

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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