A country's population in 1994 was 140 million. In 1998 it was 146 million. Estimate the population in 2011 using the exponential growth formula. Round your answer to the nearest million

Question

Tori Wong

Mathematics

6 January, 16:09

A country's population in 1994 was 140 million. In 1998 it was 146 million. Estimate the population in 2011 using the exponential growth formula. Round your answer to the nearest million

+1

Answers (2)

Know the Answer?

Giovani Abbott · Answer 1

4 years: 6 Million People

3 years: 4 Million People2 years: 2 Million1 year: 1 Million People2011: Estimate is 165 Million People1998+4=2002+4=2006+4=2010+1=2011 152 Million 158 Million 164 Million 165 Million

Talan · Answer 2

First find the rate of growth

146=140 (1+r) ^ (1998-1994)

Solve for r

R = (146:140) ^ (1:4) - 1

R=0.011 use it to find the population in 2011

P=146 (1.011) ^ (2011-1998)

P=146 * (1.011) ^ (13)

P=168.3