The population of a village decreases exponentially at a rate of $$\(4 \%\)$$ each year. The population is now 255 . Calculate the population 16 years ago. .............................................
Exam No：0580_w20_qp_42 Year：2020 Question No：3(b)
Answer:
490 cao
Knowledge points:
E1.17 Use exponential growth and decay in relation to population and finance. (e.g. depreciation, growth of bacteria.)
Solution:
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