Question

convert the following temperature into celsius scale
278K, 564K, 645K

Answer 1

278-273=5°c
564-273=291°c
645-273=372°c

Answer 2

278K
temperature of kelvin scale = temperture of Celsius +273
= 278- 273
= 5°C

564K
=564-273
= 291°C

645K
=645-273
= 372°C