What is the temperature, in degrees celsius, of a substance with a temperature of 49k?-322°c-224°c224°c322°c

To convert temperature in terms of kelvin to celsius, we subtract 273 to the given temperature in kelvin. In this problem, the given is 49 kelvin, thus, 49 - 273 is equal to - 224 degrees celsius. The asnswer is - 224 degrees celsius. Kelvin is the SI unit for temperature.