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Mathematics 21 Online
OpenStudy (anonymous):

simplify the expression 144^-1/2

OpenStudy (anonymous):

1/12

OpenStudy (anonymous):

Isn't it -1/12?

OpenStudy (anonymous):

no

hero (hero):

negative in the exponent doesn't mean "negative"

hero (hero):

Well, I should say that it doesn't mean negative number

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