The world population in 2000 was 6.1 billion people. With an estimated annual growth rate of 1.1% per year and assuming the world population follows an exponential growth model, find the projected world population for 2030. Round your final answer to two decimal places
A.8.47 billion people
B. 6.17 billion people
C. 6.43 billion people
D. 1.06 billion people