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OpenStudy (anonymous):
four bacteria are placed in a jar and number of bacteria doubles every day .the jar is full at the end of 28 days how long did it takes the bacteria to fill half of jar ?(please answer that )
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OpenStudy (anonymous):
27 days because at the 28th day it doubled .. see it doubled so it was half on the 27th day
OpenStudy (anonymous):
ok?
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