Question: Use the natural exponential function to answer the following questions y = 100e^-0.005x How long, to the nearest day, will it take for the percentage

Use the natural exponential function to answer the following questions

y = 100e^-0.005x

How long, to the nearest day, will it take for the percentage of radioactive atoms to reduce to 50%

If m ore than 95% of radioactive atoms have disappeared, the sample is no longer useful. Determine the number of days that the scientists can work with the sample of Polonium-210.

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