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A Certain Metal Casting Is At 900∘C900^{\circ} \mathrm{C} And Is Cooling So That Each Minute Its Temperature Is

Question 25

Short Answer

A certain metal casting is at 900∘C900^{\circ} \mathrm{C} and is cooling so that each minute its temperature is 7.5%7.5 \% less than the previous minute. Find its temperature after 30 minutes? Use three significant digits.

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