angelprincess85 angelprincess85
  • 23-10-2017
  • Mathematics
contestada

Find the number of ways to listen to four CDs from a selection of eight CDs.

Respuesta :

coochicans
coochicans coochicans
  • 23-10-2017
Answer:

8C4=8!(8−4)!4!=70

Explanation:

This is equivalent to choosing 4 from an available 8 and is hence the combination

8C4=8!(8−4)!4!=70
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