Question

At the beginning of a laboratory experiment, the temperature of a substance is -12.6 °C. During the experiment, the temperature of the substance decreases 7.5 °C. What is the final temperature of the substance?

!!!!SHOW YOUR WORK!!!!

Answer 1

the initial temperature= -12.6⁰c

change in temperature= 7.5⁰c

the final velocity = x

-12.6-7.5=x

-20.1=x

so therefore the final temperature is -20.1

Answer 2

20.1°C

Explanation:

-12.6 °C - 7.5 °C =-20.1°C