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1 2 3 At the beginning of the day the temperature was - 17°C. At noon the thermometer read -2°C What is the total change in degrees Celsius?

Answer :

The total change in temperature = temperature at noon minus temperature at the beginning of the day

[tex]=-2^0^{}c-(-17^0c)=-2^0c+17^0c=15^0c[/tex]

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