Lovebear9 Lovebear9

30-07-2019
Mathematics

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A curtain forest covers in area 5000 km^2. Suppose that each year this area decreases by 6.5%. What will the area after 7 years?

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Аноним Аноним

30-07-2019

Answer:

3123.6 km^2 to the nearest tenth.

Step-by-step explanation:

This is exponential decay. Each year the area is 100 - 6.5 = 93.5% of the previous year.

Area after 7 years = 5000(0.935)^7

= 3123.57 km^2.

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