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Mathematics 21 Online
OpenStudy (anonymous):

How to put a square root as a fraction?

OpenStudy (anonymous):

\[\sqrt{8}\]

OpenStudy (anonymous):

Remember: The number in the numerator tells you that the number is powered to that number. The number in the denominator tells you that you have to "power" root the number. Oh yes! If the number is powered to negative exponent, you determine the number's inverse and interchange the numerator and denominator. Then, make the exponent positive. For example (trying to make this clear enough): 3^(-3/2) 1/3^(3/2) 1/√(3)³ 1/[3√3]

OpenStudy (anonymous):

so the square root of 8 is 8^1/2?

OpenStudy (anonymous):

\[8^{1/2}\]

OpenStudy (anonymous):

Correct, very simple, turn the root "upside down" --> fraction!

OpenStudy (anonymous):

okay thanks!

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