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colleen colleen
wrote...
Valued Member
Posts: 17076
12 years ago
According to the U.S. Census Bureau, world population will increase from 6.52 billion in 2006 to 9.30 billion by 2050. Calculate the average annual growth rate for that period.
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Sunshine ☀ ☼

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wrote...
12 years ago
r = (1/t)ln(N/N0)

= (1/44) ln [(9.30 x 109)/(6.52 x 109)]

= 0.0081, or 0.81%
Biology!
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