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Mathematics 7 Online
OpenStudy (anonymous):

need help.

OpenStudy (anonymous):

I think the answer is between option a and b? I tried putting it on the calc. but I'm not getting the correct answer.

OpenStudy (astrophysics):

You should convert the rational expression into exponents

OpenStudy (astrophysics):

\[\huge \sqrt{x} \implies x^{1/2}\] so what would your expression be?

OpenStudy (astrophysics):

\[\huge (x^{1/2})^3\]

OpenStudy (anonymous):

so splug in 7 first?

OpenStudy (astrophysics):

Mhm?

OpenStudy (astrophysics):

We don't want to evaluate it, your question is testing you if you know how to convert it into exponents.

OpenStudy (astrophysics):

\[\huge \sqrt{7}^3 \implies (7^{1/2})^3\]

OpenStudy (astrophysics):

Finish it off

OpenStudy (astrophysics):

What is \[\frac{ 1 }{ 2 } \times 3?\]

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