2.5×10−10N2.5 \times 10^{-10} N2.5×10−10N
7.84×10−11N7.84 \times 10^{-11} N7.84×10−11N
2.5×10−11N2.5 \times 10^{-11} N2.5×10−11N
7.84×10−12 N7.84 \times 10^{-12} \mathrm{~N}7.84×10−12 N