An economist wants to construct an exponential regression to predict the economic gross domestic product of a developing country. The following data set shows the data that the economist complied. GDP (in Millions) Year 125 1 142.5 2 162.45 3 185.19 4 211.12 5 240.67 6 274.37 7 312.78 8 356.57 9 What is the country's estimated gross domestic product in 10 years? Enter the answer as a number rounded to the second decimal place, such as: 425.36