Question

At the start of the experiment substance is measured to be 70°C, and by the end of the experiment its temperature is measured as -60°C. How does the temperature change from the start to the end of the experiment? Represent a decrease in temperature with a negative number.

Answer 1

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Answer:

  -130 °C

Step-by-step explanation:

The change is found by subtracting the start temperature from the finish temperature. It is ....

  -60 °C - 70 °C = -130 °C