Question

After a devastating winter, when thousands of fish died, an environmental scientist has replenished the trout stock in a fishing pond. He started with 5,000 baby trout and has finished a count to find that, in 4 years, the population is estimated to be 8,500. Assuming an exponential growth pattern, what is the annual growth rate (rounded to the nearest tenth of a percent) of the new trout population?

Answer 1

final amount = intial amount (1+growth rate)^(number of years)

solve for the growth rate and convert to a percent expressed to the nearest tenth