Earth's population (P) is approximately 7 billion people now (2012) and is growing at an annual rate of 1.8%. Assuming a malthusian growth model, A=Pe(e constant)rt(exponents)

Question

find the world population at the year of 2050 (in 38 years, i.e. t=38, you can use billion (B) as a unit)

Answer 1

A = 7e^(0.018)(38)

A =7e^0.684

A =7(1.07079)

A = 7,495,554