SOLUTION: Please help me I never did a problem like this. Show all steps A computer password is required to be 7 characters long. How many passwords are possible if the password requi

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Question 1025678: Please help me I never did a problem like this. Show all steps


A computer password is required to be 7 characters long. How many passwords are possible if the password requires 1 letter(s) and 6 digits (numbers 0-9), where no repetition of any letter or digit is allowed?
There are possible passwords
Answer by stanbon(75887) About Me  (Show Source):
You can put this solution on YOUR website!
A computer password is required to be 7 characters long. How many passwords are possible if the password requires 1 letter(s) and 6 digits (numbers 0-9), where no repetition of any letter or digit is allowed?
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1 letter:: 26 ways
6 digits:: 10^6
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There are possible 26*10^6 = 26 million passwords
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Cheers,
Stan H.
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