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OpenStudy (anonymous):
Can -7 be a digit?
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OpenStudy (anonymous):
i dont think so but im checking now
OpenStudy (anonymous):
no -7 it's not a digit!! A digit is a symbol a numeral symbol such as "2" or "9" (0123456789) used in combinations such as "29"".
OpenStudy (anonymous):
so it cannot be a fraction or a sqrt of anything?
OpenStudy (anonymous):
sqrt of negative number doesn't exist!!
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