Estimate the Percentage of Radioactive Material That Remains in a Sample

question 3

Multiple Choice

Estimate the percentage of radioactive material that remains in a sample after 5 years if the half-life of the material is 299 days.Round to the nearest hundredth of a percent.

• A) 0.37%
• B) 15.92%
• C) 1.45%
• D) 8.19%
• E) 0.85%

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Definitions:

Exposure

Refers to the condition of being subjected to something (such as environmental conditions, chemicals, or radiation) that can have a direct impact on health, safety, or well-being.

Detectable Symptoms

Observable signs or indications of a disease, disorder, or other condition that can be noticed and identified.

Mutagens

Agents that cause mutations or changes in the DNA of organisms.

Mutations

Changes in the DNA sequence of an organism’s genome, which can lead to variations in physical traits or behavior.