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Mathematics 8 Online
OpenStudy (anonymous):

.

OpenStudy (anonymous):

leave as is? or use a calculator?

OpenStudy (anonymous):

Well instantly we can remove the squared root of 3 which is 1.73205080757 then 6/5= 1.2 Subtract and you get 0.53205080757

sam (.sam.):

Is it \[\huge \frac{6}{5^{-\sqrt{3}}}?\]

sam (.sam.):

If you multiply by \(5^{\sqrt{3}}\) top and bottom you'll cancel out the denominator \[\huge \frac{6}{5^{-\sqrt{3}}} \times \frac{5^{\sqrt{3}}}{5^{\sqrt{3}}}\] \[\huge \frac{6(5^{\sqrt{3}})}{5^{-\sqrt{3}}5^{\sqrt{3}}} \\ \\ \huge \frac{6(5^{\sqrt{3}})}{1}\]

sam (.sam.):

Note: \[\huge 5^{0}=1\]

sam (.sam.):

Which step you got confused?

sam (.sam.):

Here\[ \huge \frac{6(5^{\sqrt{3}})}{5^{-\sqrt{3}}5^{\sqrt{3}}} \\ \large \text{\to here?} \\ \huge \frac{6(5^{\sqrt{3}})}{1}\]

sam (.sam.):

Law of indices, \[\huge m^n \times m^p=m^{n+p}\]

sam (.sam.):

So from denominator, we get \[\Large 5^{-\sqrt3}5^{\sqrt3} =5^{-\sqrt{3}+\sqrt{3}}=5^0=1\]

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