Scientists Have Analyzed Charcoal from Stonehenge by Radiocarbon Dating and Found

question 23

Multiple Choice

Scientists have analyzed charcoal from Stonehenge by radiocarbon dating and found that the activity is about 9.5 dpm per gram of carbon.If carbon-14 has an activity of 15.3 dpm,what is the estimated age of the charcoal? (t1/2 = 5730 years)

• A)~9 years
• B)~3800 years
• C)~5700 years
• D)~10,000 years
• E)~50,000 years

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