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In the year 2015, the population of bats was 300,000. The population is decreasing by 1/2 each year. In what year will the population be 3000?

 Jan 27, 2020
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3000   =   300 000 (.5)n        

.01   =   .5n       take log of both sides

 

-2  =   n log (.5)           solve for n years

 Jan 27, 2020

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