Question: Serial numbers for a product are to be made using3 letters followed by2 digits. The letters are to be taken from the first7 letters of
Serial numbers for a product are to be made using3
letters followed by2
digits. The letters are to be taken from the first7
letters of the alphabet, with no repeats. The digits are taken from the10
digits0,
1,
2,
...
,
9
, with no repeats. How many serial numbers can be generated?
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