The number of bacteria in a certain culture triples every hour. Ifthere were 30 bacteria present in the
culture originally. Then, what would be number of bacteria in the fourth hour?
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810 bacterias are present in the fourth hour.
Given that the bacteria culture triples every hour.
Originally there were 30 bacteria.
After 1 hour there would be (30*3) = 90 bacterias
After the end of 2 hours there would be (90*3) = 270 bacterias
After the end of 3 hours there would be (270*3) = 810 bacterias
So, in the beginning of the fourth hour there are 810 bacterias present.
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