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Mathematics 23 Online
OpenStudy (anonymous):

a state's license plates consist of three letters followed by four numerals and 243 letter arrangements are not allowed. How many plates can the state issue?

OpenStudy (anonymous):

68

OpenStudy (ddcamp):

Find the possible letter and number configurations separately: Letters: |dw:1387486240503:dw| Numbers: |dw:1387486308025:dw| Total will be possible letter configurations × possible number configurations.

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