A country's census lists the population of the country as 263 million in 1990, 286 million in 2000, and 303 million in 2010. Fit a second-degree polynomial passing through these three points. (Let the year 2000 be  x = 0,  the year 2020 be  x = 20,  and let p(x) represent the population in millions.)Use this polynomial to predict the populations in 2020 and in 2030.

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