Question: Serial numbers for a product are to be made using 2 letters followed by 3numbers. If the letters are to be taken from the first

Serial numbers for a product are to be made using 2 letters followed by 3numbers. If the letters are to be taken from the first 7 letters of the alphabet with repeats possible and the numbers are taken from the digits 0 through 9 with no repeats, how many serial numbers can be generated?

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