The formula to calculate future population is given below:
P_{f} = P_{p } x (1 + i)^{n}
where,
P_{f} = future population, P_{p } = present population, i = growth rate, n = number of years
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Question 1 of 2
1. Question
Question 1: The population of Xanadu at the end of the year 1990 was 2 million. Use the formula given above to calculate how many more people were added to its population by the end of 1992, if the growth rate in this period was 2%.
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Question 2 of 2
2. Question
The same formula given above is used to calculate the growth of bacterial population in a petri dish in a lab. Scientists conducting the experiment find that a single bacterium multiplies into 1 million bacteria in three minutes. What is the growth rate per minute?
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