Respostas

1. $$ TC = \frac{5}{9} \times (TF - 32) => TF = \left( \frac{9}{5} \times TC \right) + 32 = 86 \ °F $$
2. $$ TC = \frac{5}{9} \times (TF - 32) \cong 37,78 \ °C $$
3. $$ TF = \left( \frac{5}{9} \times TC \right) + 32 = 662 \ °F $$
4. $$ TF = \left( \frac{9}{5} \times TC \right) + 32 = 32 \ °F $$