Although a country occupies only a small portion of the world's land area, its population is growing rapidly. The population was 891 million in 1990 and 1175 million in 2000. Assume that the country's population grows exponentially. (a) Find the 10-year growth factor and the annual growth factor for the country's population. (Round your answers to three decimal places.) 10-year growth factor       annual growth factor       (b) Find an exponential growth model P for the population t years after 1990. P(t)  =          million people (c) Use the model found in part (b) to predict the population of the country in 2015. (Round your answer to the nearest whole number.)

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