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As a scientist, you study 200 grams of a radioactive material for several months and you have obtained the following data: Month Weight 0 500
As a scientist, you study 200 grams of a radioactive material for several months and you have obtained the following data:
Month Weight
0 500
2 329
4 216.1
6 142
8 93
10 61.29
12 40.3
- Using a graphing utility, draw a scatter diagram with month and weight as your variables.
- Using a graphing utility, build an exponential model from the data.
- Express the weight as the function of months.
- Graph the exponential function in the scatter diagram.
- Interpret the constant parameters of this function.
- Determine the half-life of the radioactive material.
- How much radioactive material will be left after 30 months?
- When will you have 40 grams of this radioactive material?
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