In a recent year, there was about 400,000,000 mobile internet users. ( look at the picture )

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asked Dec 25, 2020 182k views

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In a recent year, there was about 400,000,000 mobile internet users. ( look at the picture )

In a recent year, there was about 400,000,000 mobile internet users. ( look at the-example-1

Mathematics
middle-school

Zackary Parsons asked

by Zackary Parsons

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3 times as many or 3:1

Ray Foss answered Dec 27, 2020

by Ray Foss

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$\bf 400,000,000\implies 4* 10^8 \\\\[-0.35em] ~\dotfill\\\\ \cfrac{\textit{desktop users}}{\textit{mobile users}}\qquad \qquad \cfrac{1.2* 10^9}{4* 10^8}\implies \cfrac{12* 10^8}{4* 10^8}\implies \cfrac{12}{4}*\cfrac{10^8}{10^8}\implies \cfrac{3}{1}$