Mercury the only metal that exists as a liquid at room

Question

Mercury, the only metal that exists as a liquid at room temperature, melts at 234.3 K. Convert this melting point to degrees Celsius.

A: T_(°C) = T_(K) - 273.15

T_{(°C) =} 234.4 - 273.15

T = -38.75 °C (IS THIS ANSWER CORRECT OR IS IT  38.75 without the negative symbol?)