The world's population is expected to grow at a rate of 1.3% per year until at least the year 2020. in 1994 the total population of the world was about 5,642,000,000 people. use the formula pn = p0ein to predict the world's population, pn, n years after 1994, with p0 equal to the population in 1994 and i equal to the expected growth rate. what is the world's predicted population n the year 2020, rounded to the nearest million?

The solution to your problem is as follows:

Given: 
P₀ = 5,642×10^6 people, 
i = 1.3% = 0.013 per year, 
n = 2020 - 1994 = 26 years, 

We get: 

Pn = P₀ e^(i.n) 
. . .= 5,642×10^6×e^(0.013×26) 
. . .= 7,911×10^6 people

Therefore, the the world's predicted population in the year 2020 is 7,911×10^6 people.

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