There were 200,00 animals of a certain species in 1980. since then, this number has decreased by 4.5% each year. approximately how many animals of this species will be left in 2025?

Step-by-step explanation:

The number of animals of a certain species in 1980 = 20000

The rate of decrease each year = 4.5 %

The number of animals left in 2025 = ???

The number of years between 1980 and 2025 = 45

By formula of depreciation,

where Pn is the population in 2025

P is the population in 1980

R is the rate of decrease in population

Substituting the values in the equation, we get

=

=2518.7 = 2519 species.

42

step-by-step explanation: