SolarSphinx SolarSphinx

10-09-2016
Mathematics

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Work out 4 x 10^3 divided by 8 x 10^-5

Give your answer in standard form.

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dalendrk dalendrk

10-09-2016

[tex]Use:\dfrac{a^n}{a^m}=a^{n-m};\ a\neq0\\\\(4\cdot10^3):(8\cdot10^{-5})=\dfrac{4}{8}\cdot10^{3-(-5)}=0.5\cdot10^8=50,000,000[/tex]

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