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  • In 2005, for each of the 14 million people present in a country, 0.028 were born and 0.008 died during the year. Using the exponential equation, the number of people present in 2015 is predicted as: a. 25 million b. 17 million c. 20 million d. 18 million

In 2005, for each of the 14 million people present in a country, 0.028 were born and 0.008 died during the year. Using the exponential equation, the number of people present in 2015 is predicted as:

a. 25 million

b. 17 million

c. 20 million

d. 18 million

Answers (1)

The answer is the option (b) 17 millions

Explanation: Use the formula for compound interest.

 Here, P = 14 million, r = 2% and time = 10 years

 Population after 10 years =   =10\left ( \frac{102}{100} \right )^{10}=17.06 million

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