Cecely4185 Cecely4185
  • 08-08-2017
  • Mathematics
contestada

If the letters a, b, c, d, e, and f are to be used in a five-letter code, how many different codes are possible if repetitions are not permitted?

Respuesta :

AL2006
AL2006 AL2006
  • 08-08-2017
It's (6•5•4•3•2) which is 720 of them.
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