aretsly
aretsly aretsly
  • 25-02-2022
  • Mathematics
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help urgently!!!!¿
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indrawboy
indrawboy indrawboy
  • 25-02-2022

a.

[tex]\tt 27^{\frac{2}{3}}=3^{3.\frac{2}{3}}=3^2=9[/tex]

b.

[tex]\tt \dfrac{25\times 10^6}{5\times 10^{-3}}=\dfrac{5^2\times 10^6}{5\times 10^{-3}}=5^{2-1}\times 10^{6-(-3)}=5\times 10^9[/tex]

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