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Mathematics, 18.03.2021 01:40 arppy

In the town of Abbaville Kansas, license plates are 5 characters long consisting of exactly twouppercase letters (A to Z) and 3 numbers 0-9. The letters and numbers can occur in anyorder. The numbers must sum to 9. For example: J441K, AB801, X2X34 are all valid. Howmany valid license plates are possible? (A concise mathematical expression will suffice.)

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