SOLUTION: The NY Dept of Motor Vehicles (DMV) designs its license plates with space for 7 letters or numerals. In the most recent iteration, the DMV uses 3 letters followed by 4 numbers.

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Question 350950: The NY Dept of Motor Vehicles (DMV) designs its license plates with space for 7 letters or numerals. In the most recent iteration, the DMV uses 3 letters followed by 4 numbers. Since the first 3 spaces are always letters, assume that I and O are valid possibilities. How many different license plate numbers are possible?
Answer by stanbon(75887) About Me  (Show Source):
You can put this solution on YOUR website!
The NY Dept of Motor Vehicles (DMV) designs its license plates with space for 7 letters or numerals. In the most recent iteration, the DMV uses 3 letters followed by 4 numbers. Since the first 3 spaces are always letters, assume that I and O are valid possibilities. How many different license plate numbers are possible?
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# of possible plates = 24^3*10^4 = 138,240,000
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Cheers,
Stan H.