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25-02-2019
Mathematics

contestada

A certain forest covers an area of 2500 km^2.
. Suppose that each year this area decreases by 7%.
. What will the area be after 10 years?
round your answer to the nearest square kilometer.

Respuesta :

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25-02-2019

Answer:

1209.95 km^2

Step-by-step explanation:

This can be represented as exponential decreasing function.

y = a(1 - r)t

a = starting amount

r = rate

t = years

y = 2500(1 - .07)^10

= 2500(.93)^10 = 1209.95

In 10 years, the forest will shrink in size to 1209.95 km^2

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