Units And Measurement And Dimensions

$70 \mathrm{~N} / \mathrm{m}$

$70 \times 10^{-3} \mathrm{~N} / \mathrm{m}$

$7 \times 10^2 \mathrm{~N} / \mathrm{m}$

$7 \times 10^3 \mathrm{~N} / \mathrm{m}$