Question: Question 1 2 Points The letters A, B, C, and D are used to form four-letter passwords for entering a computer file. How many passwords

Question 1 2 Points The letters A, B, C, and D are used to form four-letter passwords for entering a computer file. How many passwords are possible if the letters can not be repeated? A 4x32x1 B 4+3+2+1 4x4x 4x4 D 4 + 4 + 4 + 4
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