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6) Suppose you place a single bacterium in a bottle at 8:00 a.m. It grows double...

6) Suppose you place a single bacterium in a bottle at 8:00 a.m. It grows double every minute and the bottle is full at 11:30 pm.

       a) When was the bottle quarter full?

       b) How many bacteria would be at 11:15 am?

7) Radioactive carbon-14 has a half-life of about 5700 years. It collects in organisms only while they are alive. Once they are dead, it only decays. What fraction of the carbon-14 in an animal bone still remains 1500 years after the animal died?

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