Simplify 9.8 degrees centigrade minus 18 degrees centigrade
The result of 9.8 degrees Celsius minus 18 degrees Celsius is -8.2 degrees Celsius.
To simplify 9.8 degrees Celsius minus 18 degrees Celsius, you subtract the two temperatures:
9.8 - 18 = -8.2
So, 9.8 degrees Celsius minus 18 degrees Celsius is equal to -8.2 degrees Celsius.