vadamtorchillo
vadamtorchillo vadamtorchillo
  • 25-05-2019
  • Mathematics
contestada

URGENT PLEASE HELP
How many 4-letter passords can be made using the letters A thought Z if...
a) Repetition of letters is allowed?

b) Repetition of letters is not allowed?

Respuesta :

hiiii30 hiiii30
  • 25-05-2019

a) The answer will be 456976 because you multiply 26 and 4.

b) The answer will be 358800 bacause you multiply 26*25*24*23

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