Answer:
Change in temperature [tex]= -22[/tex] degrees
Step-by-step explanation:
Given -
Temperature at 9:00 AM [tex]= 5[/tex] degrees Celsius
Temperature after three hours i.e around 12:00 [tex]= -17[/tex] degrees Celsius
The change is temperature is equal to
Final temperature (or last temperature reading) - initial temperature
Substituting the given values we get -
[tex]-17-5\\= -22[/tex]
Change in temperature [tex]= -22[/tex] degrees