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Mathematics, 28.06.2019 15:40 ethansellenburg
License plate numbers in a certain state consists of seven characters. the first character is a non-zero digit (1 through 9). the next four characters are capital letters (a through z) and the last two characters are non-zero digits. therefore, a license plate number in this state can be any string of the form: digit-letter-letter-letter-letter-d igit-digit (a) how many different liscence plate numbers are possible? (b) how man licence plate numbers are possible if no digit appears more than once? (c) how man licence plate numbers are possible if no digit or letter appears more than once?
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License plate numbers in a certain state consists of seven characters. the first character is a non-...
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