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Mathematics 5 Online
bdoaks:

A state's license plates consist of three letters followed by four numerals, and 242 letter arrangements are not allowed. How many plates can the state issue?

umm:

\[26^{3}\times10^{3}=17,576,000\]But there's still 249 ways that aren't allowed, leaving you with\[17,576,000-249= ?\]

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