A country's population in 1994 was 98 million in 2001 it was 103 million. Estimate the population in 2018 using the exponential growth formula. Round your answer to the nearest million.

Respuesta :

The population is 2018 would be near 116 million.

Answer:

116 million people by 2018

Step-by-step explanation:

The exponential Growth Formula is the following,

[tex]y = a (1+r)^{t}[/tex]

Where a is the initial amount of people, r is the rate of growth in decimal format, t is the time interval, and y is the population at the end. First we need to find the rate of growth using the information given.

[tex]103,000,000 = 98,000,000(1+r)^{2001-1994}[/tex]

[tex]1.05102 = (1+r)^{7}[/tex]

[tex]\sqrt[7]{1.05102} = 1+r[/tex]

[tex]1.007134 = 1+r[/tex]

[tex]0.007134 = r[/tex]

Now that we have the rate (r) we can plug that into the equation again and solve for the population (y) in 2018.

[tex]y = 98,000,000 (1+0.007134)^{2018-1994}[/tex]

[tex]y = 98,000,000(1.007134)^{24}[/tex]

[tex]y = 98,000,000 * 1.186[/tex]

[tex]y = 116,230,540[/tex]

Rounded to the nearest million, that would put the population of 2018 at 116 million people

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