it is given that the expressions are 6 x 10^5 and 3 x 10^3
now divide 6 x 10^5 by 3 x 10^3
[tex]\frac{6\times10^5}{3\times10^3}[/tex][tex]\begin{gathered} 2\times10^{5-3} \\ 2\times10^2=200 \end{gathered}[/tex]so 6 x 10^5 is 200 times as great as 3 x 10^3
