SOLUTION: A computer password is to consist of four alphanumeric characters with no repeats. How many such passwords are there? How many are there if the letter O and the number 0 are exclud

SOLUTION: A computer password is to consist of four alphanumeric characters with no repeats. How many such passwords are there? How many are there if the letter O and the number 0 are exclud

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Question 873681: A computer password is to consist of four alphanumeric characters with no repeats. How many such passwords are there? How many are there if the letter O and the number 0 are excluded to avoid confusion?
Answer by ewatrrr(24785) (Show Source): You can put this solution on YOUR website!
26 Letters, 10 Numbers
Choosing four alphanumeric characters with no repeats...How many are There?
N
0
1
2
3
4
25 Letters, 9 Numbers
0
1
2
3
4

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