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03-08-2017
Mathematics

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Manuel is choosing a 3 -letter password from the letters A, B, C, D, and E. The password cannot have the same letter repeated in it. How many such passwords are possible?

Respuesta :

03-08-2017

Here they are... ABC ABD ABE ACB ACD ACE ADB ADC ADE.. Just do the same thing with the others... Ex. BCD BDE BCE BCA BDA BDC BDE etc.

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