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  • 06-12-2018
  • Mathematics
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4 muliplied 10 to the -6th power/2 multiplied 10 5th power

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gmany gmany
  • 06-12-2018

[tex]\dfrac{4\cdot10^{-6}}{2\cdot10^5}=\dfrac{4}{2}\cdot\dfrac{10^{-6}}{10^5}\qquad\text{use}\ \dfrac{a^n}{a^m}=a^{n-m}\\\\=2\cdot10^{-6-5}=\boxed{2\cdot10^{-11}}\\\\Answer:\ \boxed{\boxed{2\cdot10^{-11}}}[/tex]

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