3.6×104C3.6\times 10^4\mathrm{C}3.6×104C
5.4×104C5.4\times 10^4\mathrm{C}5.4×104C
1.4×103C1.4\times 10^3\mathrm{C}1.4×103C
3.6×106C3.6\times 10^6\mathrm{C}3.6×106C