The Half-Life of Carbon-14 Is 5730 Years

question 26

Multiple Choice

The half-life of carbon-14 is 5730 years.If a sample initially contains 2.67 mg carbon-14,what mass of carbon-14 remains in the sample after 2.40 × 10⁴ years?

• A) 0.0 mg
• B) 0.17 mg
• C) 0.92 mg
• D) 0.15 mg
• E) 0.64 mg

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