Answer :
Final answer:
To find the population of bacteria 80 minutes from now, we divide 80 by 40 to determine how many times the population will double. Starting with 20,000 bacteria, the population will double twice and be approximately 80,000 after 80 minutes.
Explanation:
To calculate the population of bacteria 80 minutes from now, we need to find out the number of times 40 minutes fits into 80 minutes. Since bacteria double every 40 minutes, we can divide 80 by 40 to get 2. This means that the population will double twice in 80 minutes.
Starting with 20,000 bacteria, the population will double to 40,000 after the first 40 minutes, and then double again to 80,000 after another 40 minutes. Therefore, 80 minutes from now, the population will be approximately 80,000.
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