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

Serial numbers for a product are to be made using 3

letters followed by 2

digits. The letters are to be taken from the first 9

letters of the alphabet, with no repeats. The digits are taken from the 10

digits 0,

1,

2,

...

,

9

, with no repeats. How many serial numbers can be generated?

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