A bacterium is in a glass. Every second it splits in half. Each of the resulting bacteria splits in half the following second, and so on. The glass is filled a minute later. In what time was the glass half-full?

As per your question, bacteria divides every minute. So this is clear that every minute their population will double itself. e.g If they fill half of the bottle in 5 minute, so in next minute (6th minute) the population will double and will fill the entire bottle.  Now getting to your question , if the cup gets completely full in 1 hour and bacteria is doubling every minute then its very clear that just a minute before the cup was half full. So in 59 minutes, the cup would be filled half.

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step-by-step explanation: f

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