1012Wm−210^{12} \mathrm{Wm}^{-2}1012Wm−2
10−12Wm−210^{-12} \mathrm{Wm}^{-2}10−12Wm−2
1010Wm−210^{10} \mathrm{Wm}^{-2}1010Wm−2
10−10Wm−210^{-10} \mathrm{Wm}^{-2}10−10Wm−2
