Temperature - change

The thermometer showed -2 °C in the morning. By lunch, the temperature had risen by 5 °C. The temperature had dropped by 13 °C till midnight. What temperature in °C did the thermometer show at midnight?

Final Answer:

t2 =  -10 °C

Step-by-step explanation:

t1=2 °C Δt=+513=8 °C  t2=t1+Δt=(2)+(8)=10°C



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