Answer:
204°C or B.
Step-by-step explanation:
Hi Mattydat!
The formula for converting to Cesius is (0°C × 9/5) + 32 = 32°F
We substitute 400°.
Solving gives a final answer of 204 °C or B.
Thus, our final answer is [tex]$\boxed{$\boxed{204^{\circ}C}$}$[/tex] or B.