There is a population of 1,000,000 bacteria in a colony. If the number of bacteria doubles every 230 hours, what will the population be 690 hours from now?

Question

Mathematics

Rolando Villanueva

26 December, 09:20

There is a population of 1,000,000 bacteria in a colony. If the number of bacteria doubles every 230 hours, what will the population be 690 hours from now?

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Answers (2)

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Wayne Pineda · Answer 1

After the first 230 hours it doubles, 2*1 million = 2 million.

After the next 230 hours, that 460 hours later it doubles again = 2*2 = 4 million.

After the next 230 hours, that is 690 hours later, it doubles again = 2*4 = 8 million.

Population = 8 million.

Angel Crawford · Answer 2

It is 4,000,000 because if it doubles every 230 hours it would be 2,000,000 and if it doubles 690 hours you would just add 2 million more.