margaridacampos margaridacampos

26-05-2017
Mathematics

contestada

Raina is choosing a
3

-letter password from the letters A, B, C, and D. The password cannot have the same letter repeated in it. How many such passwords are possible?

Respuesta :

26-05-2017

Raina can have a total of 16 passwords, but I am 99% sure of that answer.

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