Question

a population of 900 bears decreases by 15% per year. How many bears will there be in the population after 7 years? round to the nearest whole number
289
2394
9
795

would it be 289?

Answer 1

100 - 15 = 85% left after each year
900 * 0.85^7 = 900 * 0.320577088
= 289 approximately