Respuesta :

the ratio is,

[tex]=\frac{4\times10^{-10}}{2\times10^{-12}}[/tex][tex]\begin{gathered} =2\times10^{12-10} \\ =2\times10^2 \\ =200 \end{gathered}[/tex]

so 2 x 10 ^-12 is 200 times smaller than 4 x 10 ^-10