Question

If $\sqrt[3]{3729}=9$ then $\sqrt[3]{30.000729}=?$

Answer 1

$\sqrt[3]{3729}=9$

Now

$\sqrt[3]{30.000729}={\left(729\right)}^{1/3}\times {\left(.1000000\right)}^{1/3}={\left(9^3\right)}^{1/3}\times {\left({10}^{-6}\right)}^{1/3}=9\times {10}^{-2}=0.09$