How many different passwords are possible

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Reference no: EM13201678

A password for certain computer system consists of 3 lower-case letters (a-z) followed by 3 digits (0-9).

a. How many different passwords are possible if no restrictions are imposed?

b. How many different passwords are possible if no character (letter or digit) can be repeated in the password?

 

Reference no: EM13201678

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