Estimate the Percentage of Radioactive Material That Remains in a Sample

question 46

Multiple Choice

Estimate the percentage of radioactive material that remains in a sample after 3 years if the half-life of the material is 261 days. Round to the nearest hundredth of a percent.

• A)0.42%
• B)5.46%
• C)0.97%
• D)11.92%
• E)28.28%

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A relationship characterized by trust and support, where one individual (the helper) provides assistance, guidance, or therapy to another.

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A condition where an individual’s emotional expression does not match the situation or their internal state.

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