SOLUTION: How many 8 symbol computer passwords can be formed using the letters A-J and the digits 2-6?

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Question 873680: How many 8 symbol computer passwords can be formed using the letters A-J and the digits 2-6?
Answer by ewatrrr(24785) About Me  (Show Source):
You can put this solution on YOUR website!
10 Letters, 5 Numbers
Choosing four alphanumeric characters with no repeats...How many are There?
N
0 10C4%29
1 %2810C3%29%285C1%29
2 %2810C2%29%285C2%29
3 %2810C1%29%285C3%29
4 %2810C0%29%285C4%29