1.989×10−16 J1.989 \times 10^{-16} \mathrm{~J}1.989×10−16 J
2.89×10−16 J2.89 \times 10^{-16} \mathrm{~J}2.89×10−16 J
19.89×10−16 J19.89 \times 10^{-16} \mathrm{~J}19.89×10−16 J
91.98×10−16 J91.98 \times 10^{-16} \mathrm{~J}91.98×10−16 J