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Q1: The half-life of Radium-226 is...

Q1:

The half-life of Radium-226 is 1590 years. If a sample contains 100 mg, how many mg will remain after 2000 years?

(Round your answer to 2 decimal places as needed)Q2:

The half-life of Palladium-100 is 4 days. After 12 days a sample of Palladium-100 has been reduced to a mass of 4 mg.What was the initial mass (in mg) of the sample?

(Round your answer to nearest mg as needed.)Using your answer from above, how many mg are left 6 weeks after the start?

(Round your answer to 5 decimal places as needed.)

The half-life of Radium-226 is 1590 years. If a sample contains 100 mg, how many mg will remain after 2000 years?

(Round your answer to 2 decimal places as needed)Q2:

The half-life of Palladium-100 is 4 days. After 12 days a sample of Palladium-100 has been reduced to a mass of 4 mg.What was the initial mass (in mg) of the sample?

(Round your answer to nearest mg as needed.)Using your answer from above, how many mg are left 6 weeks after the start?

(Round your answer to 5 decimal places as needed.)

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