g3ucortyterrey
g3ucortyterrey g3ucortyterrey
  • 23-09-2016
  • Mathematics
contestada

Find the number of ways to listen to 4 different CDs from a selection of 10 CDs.
151,200

5040

2880

720

Respuesta :

jessylingard
jessylingard jessylingard
  • 23-09-2016
i think is the second number 5040
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Hussain514 Hussain514
  • 27-09-2016
  Probibility (10,4)
= 10 * 9 * 8 * 7
= 5040
so B is right option 
hope this helps
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