ddestinyclark5757 ddestinyclark5757
  • 14-03-2018
  • Mathematics
contestada

Find the number of ways to listen to 4 CDs from a selection of 8 CDs.

1680

336

70

50

Respuesta :

jtcarrol jtcarrol
  • 19-03-2018
1680. 8p4, which is 8!/(8-4)!
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