9. a. The half-life of 210Po is 138.4 yr. If 0.5 mg of 210Po is present in a sample what is the half life formula that gives the amount A() (in mg) present after tyears? b. How many mg are there after 500 years? Round to 3 decimal places if necessary.

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Chapter1: Functions And Models
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9. a. The half-life of 210Po is 138.4 yr. If 0.5 mg of 210Po is present in a sample what is the half life
formula that gives the amount A() (in mg) present after tyears?
b. How many mg are there after 500 years? Round to 3 decimal places if necessary.
Transcribed Image Text:9. a. The half-life of 210Po is 138.4 yr. If 0.5 mg of 210Po is present in a sample what is the half life formula that gives the amount A() (in mg) present after tyears? b. How many mg are there after 500 years? Round to 3 decimal places if necessary.
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