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3 October, 11:50

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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  1. 3 October, 14:14
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    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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