Tony is choosing a 2 -letter password from the letters A, B, and C. The password cannot have the same letter repeated in it. How many such passwords are possible?

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asked May 13, 2018 43.6k views

4 votes

Tony is choosing a 2 -letter password from the letters A, B, and C. The password cannot have the same letter repeated in it. How many such passwords are possible?

Mathematics
high-school

Felix Castor asked

by Felix Castor

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1 Answer

4 votes

Ab, Ac
Ba, Bc
Ca, Cb

I believe there are only 6 possible passwords.

Guillaume answered May 17, 2018

by Guillaume

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