4×10−6 N.m −24 \times 10^{-6} \text { N.m }{ }^{-2}4×10−6 N.m −2
3.92×10−4 N.m−23.92 \times 10^{-4} \mathrm{~N} . \mathrm{m}^{-2}3.92×10−4 N.m−2
4×107 N−2.m−24 \times 10^{7} \mathrm{~N}^{-2} . \mathrm{m}^{-2}4×107 N−2.m−2
3.92×108 N.m −23.92 \times 10^{8} \text { N.m }^{-2}3.92×108 N.m −2