Answer:
Change in temperature = - 3.3 F
The temperature has decreased
Step-by-step explanation:
The complete question is attached below .
As given in the attached image
Temperature at 10 A.M [tex]= 1.2[/tex] degree Fahrenheit
Temperature at 3:30 P.M. [tex]= -2.1[/tex] degree Fahrenheit
Change in temperature
= Temperature at 3:30 p.m - Temperature at 10 a.m
= [tex]- 2.1 - 1.2[/tex]
[tex]= - 3.3[/tex] F
The temperature has decreased