A population of birds in a forest is increasing by 25% per year. If there are 1,200 birds now, how many birds will there be after 3 years?
1. Recall the formula for exponential growth:
The formula for exponential growth is , where:
is the final population.
is the initial population. Here, .
is the growth rate as a decimal. Given a growth rate of , so .
is the number of years. Here, .
2. Substitute the values into the formula:
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