6.23×1023Js6.23 \times 10^{23} \mathrm{Js}6.23×1023Js
6.23×10−23Js6.23 \times 10^{-23} \mathrm{Js}6.23×10−23Js
6.624×1034Js6.624 \times 10^{34} \mathrm{Js}6.624×1034Js
6.624×10−34Js6.624 \times 10^{-34} \mathrm{Js}6.624×10−34Js
