27∘C27^{\circ} \mathrm{C}27∘C
300∘C300^{\circ} \mathrm{C}300∘C
246.2∘C246.2^{\circ} \mathrm{C}246.2∘C
−26.9∘C-26.9^{\circ} \mathrm{C}−26.9∘C