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Mathematics, 26.10.2019 00:43 lexhorton2002

Acomputer company uses 6 characters to create their serial number identification for products. the first 3 characters are any single digit number but no character can repeat in those first 3 characters. the next two characters must be a letter and those two letters cannot be the same. the last space can be any number or letter without any restriction. how many unique serial numbers are possible?

a. 11,232,000
b. 24,336,000
c. 15,912,000
d. 16,848,000

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