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Mathematics 10 Online
OpenStudy (anonymous):

wich of the number can be classified as both real and irrational? 5.85 63.4 square root 21 square root 36

OpenStudy (igreen):

The answer is obviously C, because it's the ONLY irrational number. All the rest of the options can be written as fractions, which means they are rational.

OpenStudy (igreen):

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