there are two cells, each divide every 1/2 an hour. How many cells in three hours?
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2 Answers

There will be 40 cells I believe
128 cells because if she starts with 2 cells and splits every half hour for three hours there are 6 half hours. You can do , 4 , 8, 16, 32, 64, 128. So thats how you get your answer

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