The exponential model A = 87.9e^0.031t describes the population, A, of a country in millions, t years after 2003. Use the model to determine when the population of the country will be 209 million
The population of the country will be 209 million in?

step-by-step explanation:

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multiplication is multiplication.   it might feel harder depending on what level of math you are in, but generally it will be the same old stuff, while implementing some new concepts and methods of solving work.