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global temperatures may increase by up to 10°f between 1990 and 2100.¹ find the average rate of change of global temperatures between 1990 and 2100.
round your answer to four decimal places.
the average rate of change of global temperatures between 1990 and 2100 is approximately
¹see http://en.wikipedia.org/wiki/global_warming. page last accessed september 1, 2014.
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Explanation:

Step1: Determine the time period

The time period from 1990 to 2100 is $2100 - 1990 = 210$ years.

Step2: Calculate the average rate of change

The temperature change is $10^\circ\text{F}$. The average rate of change is the change in temperature divided by the change in time, so $\frac{10}{210} \approx 0.0476$ (rounded to four decimal places).

Answer:

0.0476