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17. A chemist is observing a solution's
temperature over a four-hour period that
starts at -12.4°C. In the four hours, the
temperature rises 5.7°C and drops 8.1°C. What
is the temperature of the solution after four
hours?

Respuesta :

Answer:

Step-by-step explanation:

Answer: -14.8

Step-by-step explanation:

-12.4 + 5.7 = -6.7

12.4 - 5.7 = 6.7

-8.1 + (-6.7) = -14.8

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