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colleen colleen
wrote...
Valued Member
Posts: 17076
12 years ago
Using the formula r = (1/t)ln(N/N0) (see “Using Math in Environmental Issues, pages 6–8, for an example of how to use this formula), calculate the annual percentage increase in grainland area harvested from 1950 to 2002.
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wrote...
12 years ago
r = (1/t)ln(N/N0)
r = (1/52)ln(647 x 106/587 x 106)
r = 0.0019 or 0.19% per year
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