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Mathematics 13 Online
OpenStudy (anonymous):

root calculation help!

OpenStudy (mokeira):

question?

OpenStudy (anonymous):

\[\sqrt[5]{1.1}\]

OpenStudy (anonymous):

how do I find out by using calculator

OpenStudy (e.mccormick):

So are you asking how to put a 5th root into a calculator?

OpenStudy (anonymous):

\[\sqrt[5]{}\] yes

OpenStudy (e.mccormick):

Do you know the fractional exponent relationship for roots?

OpenStudy (anonymous):

No.

OpenStudy (e.mccormick):

\(\Large \sqrt{x}=x^{\frac{1}{2}}\) \(\Large \sqrt[5]{x}=x^{\frac{1}{5}}\)

OpenStudy (e.mccormick):

If you have an \(x^y\) button on the calculator, this can be used to do roots using that fact.

OpenStudy (anonymous):

I do not have this on my calculator!

OpenStudy (anonymous):

\[\sqrt[5]{1.1}\]

OpenStudy (e.mccormick):

Then your calculator may not have all the functions you need. There are a couple solutions. You could use Google. There is also RealCalc for Android which has a free version.

OpenStudy (anonymous):

http://web2.0calc.com/

OpenStudy (anonymous):

is this good? I see y^x

OpenStudy (e.mccormick):

It also has the \(\sqrt[y]{x}\) button.

OpenStudy (anonymous):

my calculator has that too! How do i use this?

OpenStudy (e.mccormick):

Depends on the calculator. Some want x first, some want y first. An easy test is use 4 and .5. That should get 2. If you get .84bla then you need to do it the other way.

OpenStudy (anonymous):

mm.. Ok could you show me steps on website that I linked?

OpenStudy (e.mccormick):

On that website, just click the button. It puts instructions in the bar.

OpenStudy (anonymous):

http://web2.0calc.com/

OpenStudy (anonymous):

1.0192448764914566 is this correct?

OpenStudy (e.mccormick):

Yes. Just click the \(\sqrt[y]{x}\) button. Then it tells you the format. It also shows you above the calculator... Ah, yea, that is it.

OpenStudy (anonymous):

Thank you!

OpenStudy (e.mccormick):

And if you try 1.1^.2 you will get the same answer, which is how you would do it with a power.

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