Question

A certain forest covers an area of 4200km2 Suppose that each year this area decreases by 5% What will the area be after 10 years?

Use the calculator provided and round your answer to the nearest square kilometer.

Answer 1

Each year 1 - 5% = 95% of the acreage survives.

A(10) = 4500*0.95^10 = 2694.32

Answer: 2694.32