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A culture of bacteria in a petri dish is doubling every hour. If there are 100 bacteria at time t=0, how many bacteria will there be in 12 hours?

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  1. 409600

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  2. a culture started with 2000 bacteria. after 2 hour , it grew to 2,400 bacteria. predict how many bacteria will be present after 10 hours. round your answer to the nearest whole number.

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  3. 4,000

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  4. Putting this information into the exponential growth formula gets you the equation y=100(2^x) where x equals the number of hours. Plugging in 12 for x, you get 409600.

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  5. . A lab is growing bacteria in a culture dish. The amount of bacteria in the dish doubles every 4 hours. Initially, there are 900 bacteria in the dish. How many are in the dish after 12 hours?

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