Respuesta :
Answer:
It was -1°C.
Step-by-step explanation:
This is because there are 7 hours from 12 a.m. to 7 a.m. and if the temperature dropped 1.1°C each hour:
than 1.1 x 7 - 7.7.
-8.7 + 7.7 = -1
-1°C
The answer is -1 because 1.1 times 7= 7.7 which adds to -8.7, giving you -1