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Olá.
![\boxed{\boxed{\mathsf{m^{\dfrac{r}{s}=\sqrt[s]{\mathsf{m^{r}}}}}}}\\\\\\\\\mathsf{\dfrac{(0,000027)^{\frac{1}{3}}}{210.000}=\dfrac{\sqrt[3]{\mathsf{(27x10^{-6})}}}{21x10^4}=\dfrac{3x10^{-2}}{21x10^4}=\dfrac{3}{21}\cdot\dfrac{10^{-2}}{10^{4}}=\dfrac{1}{7}\cdot(10^{-2-4})=}\\\\\\\mathsf{\dfrac{1}{7}\cdot10^{-6}=\boxed{\mathsf{\dfrac{10^{-6}}{7}}}} \boxed{\boxed{\mathsf{m^{\dfrac{r}{s}=\sqrt[s]{\mathsf{m^{r}}}}}}}\\\\\\\\\mathsf{\dfrac{(0,000027)^{\frac{1}{3}}}{210.000}=\dfrac{\sqrt[3]{\mathsf{(27x10^{-6})}}}{21x10^4}=\dfrac{3x10^{-2}}{21x10^4}=\dfrac{3}{21}\cdot\dfrac{10^{-2}}{10^{4}}=\dfrac{1}{7}\cdot(10^{-2-4})=}\\\\\\\mathsf{\dfrac{1}{7}\cdot10^{-6}=\boxed{\mathsf{\dfrac{10^{-6}}{7}}}}](https://tex.z-dn.net/?f=%5Cboxed%7B%5Cboxed%7B%5Cmathsf%7Bm%5E%7B%5Cdfrac%7Br%7D%7Bs%7D%3D%5Csqrt%5Bs%5D%7B%5Cmathsf%7Bm%5E%7Br%7D%7D%7D%7D%7D%7D%7D%5C%5C%5C%5C%5C%5C%5C%5C%5Cmathsf%7B%5Cdfrac%7B%280%2C000027%29%5E%7B%5Cfrac%7B1%7D%7B3%7D%7D%7D%7B210.000%7D%3D%5Cdfrac%7B%5Csqrt%5B3%5D%7B%5Cmathsf%7B%2827x10%5E%7B-6%7D%29%7D%7D%7D%7B21x10%5E4%7D%3D%5Cdfrac%7B3x10%5E%7B-2%7D%7D%7B21x10%5E4%7D%3D%5Cdfrac%7B3%7D%7B21%7D%5Ccdot%5Cdfrac%7B10%5E%7B-2%7D%7D%7B10%5E%7B4%7D%7D%3D%5Cdfrac%7B1%7D%7B7%7D%5Ccdot%2810%5E%7B-2-4%7D%29%3D%7D%5C%5C%5C%5C%5C%5C%5Cmathsf%7B%5Cdfrac%7B1%7D%7B7%7D%5Ccdot10%5E%7B-6%7D%3D%5Cboxed%7B%5Cmathsf%7B%5Cdfrac%7B10%5E%7B-6%7D%7D%7B7%7D%7D%7D%7D)
Qualquer dúvida, deixe nos comentários.
Bons estudos.
Qualquer dúvida, deixe nos comentários.
Bons estudos.
TesrX:
Por isso -2.
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