1.

The population of a certain bacteria in an experimental field increased by 10% in the first year, increased by 8% in the second year, and decreased by 10% in the third year. If the number of bacteria in the experimental field at present is 21384, then the number of bacteria present initially was:

A. 17500
B. 21000
C. 18000
D. 20000
Answer» E.


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