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HW1 - CE11 HW 1 Eddie Lo 19483002 = 6 1.3 4.7 0.013 0.003...

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CE11 HW 1 Eddie Lo 19483002 1. Exponential Growth A) World's population in 2025: P_0(tot)= 6 bil P_0(tot)=P_0(ind)+P_0(dev) P_0(ind)= 1.3 bil P_0(dev)= 4.7 bil r(tot)= 0.013 r(tot)=r(ind)+r(dev) r(ind)= 0.003 r(dev)= 0.016 t= 25 years P(tot)= P(ind)+P(dev) 1.4012 + 7.0115 8.4127bil B) Percent of the increase in developing countries: 95.803679% C) Percentage of people lived/will live in developing countries in 2000 78.33 % in 2000 2025 83.34 % in 2025 2. Population rate Region Population Average annual % of the population (Thousands) population change, r (%) living in a region 2000 2025 1975- 1980 1995- 2000 2000- 2025 % living, 2000 % living, 2025 World 6,055,049 7,823,703 1.7 1.3 0.01 ------------ ------------- Industrialized countries 1,306,083 1,359,258 0.6 0.3 0.00 21.57% 17.37% Developing countries 4,746,022 6,459,163 2.1 1.6 0.01 78.38% 82.56% Regions Asia 3,420,234 4,307,665 2.1 1.6 0.01 56.49% 55.06% Europe 728,416 701,734 0.5 0 0.00 12.03% 8.97% ME & N. Africa 403,793 613,894 2.6 1.8 0.02 6.67% 7.85% Sub-saharan Africa 640,663 1,095,448 2.8 2.4 0.02 10.58% 14.00% N. America 309,504 363,469 0.9 0.8 0.01 5.11% 4.65% C. America & Carib 173,292 235,662 2.7 1.6 0.01 2.86% 3.01% S. America 345,779 460,864 2.3 1.5 0.01 5.71% 5.89% Oceania 30,424 39,686 1.1 1.3 0.01 0.50% 0.51% g1842 = g1842 g2868 ∗ g1857 g3045g3047 g1842(g1861g1866g1856) = g1842 g2868 (g1861g1866g1856) ∗ g1857 g3045(g3036g3041g3031)g3047 g1842(g1856g1857g1874) = g1842 g2868 (g1856g1857g1874) ∗ g1857 g3045(g3031g3032g3049)g3047 % g1867g1858 g1861g1866g1855g1870g1857g1853g1871g1857 = g1842 g1856g1857g1874 − g1842 g2868 (g1856g1857g1874) g1842 g1872g1867g1872 − g1842 g2868 (g1872g1867g1872) ∗ 100% = 7.01 − 4.7 8.4 − 6 ∗ 100% = g1842 g2868 (g1856g1857g1874) g1842 g2868 g1872g1867g1872 = 4.7 bil 6 bil ∗ 100% = g1842(g1856g1857g1874) g1842 g1872g1867g1872 = 7.011 bil 8.4127 bil ∗ 100% =
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PART A: To calculate the rates in where P= population in 2025 2000-2025, we use the P_0 = population in 2000 exponential growth formula: t = 25 years There are some differences in the growth rates from 2000-20025 as compared to the rates seen in 1975-1980 and 1995-2000. None of the growth rates from 2000-2025 are greater than one, and in most cases they are 0 or near 0% growh. This suggests the population
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