Given
Time Temperature
7.30a.m -4⁰F
7.32a.m 45⁰F..
9.00a.m 54⁰F
9.27a.m -4⁰F
To Determine: The difference in temperature between 7.30a.m and 9.27a.m
The difference is
[tex]\begin{gathered} -4^0F-(-4^0F) \\ =-4^0F+4^0F \\ =0^0 \end{gathered}[/tex]Hence, the difference in temperature is 0 degree