Complete the following table Population growth rate, k Doubling time,T Country A

Question

Complete the following table Population growth rate, k Doubling time,T Country A. 1.7 % per year. Country B. 46 years ------------------------------------------------------ Population growth rate, K. Doubling time Country A. 1.7 % per year. Years Country B. % per year 46 years


Complete the following table Population growth rate, k Doubling time,T Country A. 1.7 % per year. Country B. 46 years ------------------------------------------------------ Population growth rate, K. Doubling time Country A. 1.7 % per year. Years Country B. % per year 46 years


Population growth rate, k Doubling time,T Country A. 1.7 % per year. Country B. 46 years ------------------------------------------------------ Population growth rate, K. Doubling time Country A. 1.7 % per year. Years Country B. % per year 46 years

Explanation / Answer

Country A : P = Poe^(r*t)

r = 1.7%; t = doubling time

2Po = Poe^(0.017t)

2 = e^(0.017t)

Take natural log on both sides:

ln(2) = 0.017t

t = 40.77 years

Country B:

find growth rate: P = Poe^(r*t)

2Po =Poe^(46k)

2 = e^46k

take natural log on both sides:

ln2 = 46k

k =0.015

k = 1.5%

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