5.67×10−4 J5.67 \times 10^{-4} \mathrm{~J}5.67×10−4 J
1.67×10−4 J1.67 \times 10^{-4} \mathrm{~J}1.67×10−4 J
1.6×10−10 J1.6 \times 10^{-10} \mathrm{~J}1.6×10−10 J
1.33×10−18 J1.33 \times 10^{-18} \mathrm{~J}1.33×10−18 J