The population (in millions) of a country in 2007 and the expected continuous annual rate of change k of the population are given. † Country 2007 Population k Paraguay 6.7 0.024 (a) Find the exponential growth model P = Cekt for the population by letting t = 0 correspond to 2000. (Round numerical values to three decimal places.) P = (b) Use the model to predict the population of the country in 2013. (Round your answer to two decimal places.)