Simply will say
4000(3.5%) = 140 km^2
So each year will decrease by 140km^2
To find till 9th years it will be
4000-(140*9)=2740 km^2
Area after 9 years is 2740 km^2
It means to factorise a number, and divide it by the first possible prime number.
Answer:
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Step-by-step explanation:
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