The Half-Life of ¹⁴C Is 5730 Yr

question 72

Multiple Choice

The half-life of ¹⁴C is 5730 yr. Assuming some charcoal from a campfire 29,000 years old was found, what fraction of the original C-14 would remain today?

• A) 3.0 × 10^-2
• B) 0.20
• C) 3.5
• D) 0.33
• E) 0.29

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