An ichthyologist observes that the population \( P(t) \) of a certain fish species in the Great Barrier Reef declines exponentially according to \( P(t) = P_0 e^{-0.05t} \), where \( t \) is in years. How many years will it take for the population to decrease to 25% of its original size?

Sun, 10 May 2026 04:35:17 +0000

Content under review