Answer:
The temperature change in a chemistry experiment was -2C every 30 min. The initial temperature was +6C. What was the temperature after 4 h
4 hours = 8 half hours
0, 1, 2, 3, 4, 5, 6, 7, 8 half hours
6, 4, 2, 0, -2, -4, -6, -8, -10
-10 degrees C
