The letters A, B, C, and D are used to form four-letter passwords for entering a computer le. How many passwords are possible if letters can be repeated?

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asked Apr 8, 2023 226k views

12 votes

The letters A, B, C, and D are used to form four-letter passwords for entering a computer

le. How many passwords are possible if letters can be repeated?

Mathematics
high-school

EpicAdv asked

by EpicAdv

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1 Answer

11 votes

Explanation:

4 positions with 4 possibilities each :

4×4×4×4 = 4⁴ = 256 different possible passwords.

PandaNL answered Apr 13, 2023

by PandaNL

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