2×10−10Am22 \times 10^{-10} \mathrm{Am}^{2}2×10−10Am2
2×10−6Am22 \times 10^{-6} \mathrm{Am}^{2}2×10−6Am2
2×10−1Am22 \times 10^{-1} A m^22×10−1Am2
2×10−2Am22 \times 10^{-2} \mathrm{Am}^{2}2×10−2Am2