4×10−6 Wb4 \times 10^{-6} \mathrm{~Wb}4×10−6 Wb
8×106 Wb8 \times 10^{6} \mathrm{~Wb}8×106 Wb
8×10−6 Wb8 \times 10^{-6} \mathrm{~Wb}8×10−6 Wb
4×106 Wb4 \times 10^{6} \mathrm{~Wb}4×106 Wb