1) An exponential growing culture has 18000 cells initially and growing to 50000 cells in 12 hours. How long will it take to reach 80000 cells? 2) A radioactive element decays with a half-life of 25 days. If one have 64 grams of this element now, how much will he have after 100 days?

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A: We can make it easier for you.

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A: Given half-life of sample=50 yrs and the initial sample is = 1024mg.

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Q: Element X decays radioactively with a half life of 9 minutes. If there are 170 grams of Element X,…

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