A 1987 treaty to protect the ozone layer produced dramatic declines in global
Chapter 4, Problem 4.2.35(choose chapter or problem)
A 1987 treaty to protect the ozone layer produced dramatic declines in global production, P, of chlorofluorocarbons (CFCs). See Figure 4.14.9 Find a formula for P as an exponential function of the number of years, t, since 1989. What was the annual percent decay rate?
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