SOLUTION: A file system uses four locator digits, two subject digits, and four category digits. If the locator code cannot begin with 0, how many file numbers are possible. How many diffe

Question 865792: A file system uses four locator digits, two subject digits, and four category digits. If the locator code cannot begin with 0, how many file numbers are possible.
How many different license plates can be made by using three letters followed by four nonzero digits? The letters and digits can repeat.
How many different license plates can be made by using three nonzero digits followed by four letters? The letters and digits can repeat.

Answer by edjones(8007) (Show Source): You can put this solution on YOUR website!
1)9*10^9
.
2)26^3*9^4
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