✔ 最佳答案
-365.05 F is 52.57 K
-365.10 F is 52.54 K <== this is your input value.
-365.15 F is 52.51 K
So the correct answer is anywhere between 52.57 K an 52.51 K. I would pick 52.55 K, just like you did. As for sig figures, I think using four is correct. I would appeal being marked incorrect.