The Half-Life of the Carbon 14 Isotope Is 5730 Years

question 22

Multiple Choice

The half-life of the carbon 14 isotope is 5730 years. If there were 4 billion atoms of C-14 in a particular organism at the time it died, how many atoms of C-14 would there be in the remains of that organism 11,460 years after it died?

• A) 1 billion
• B) 2 billion
• C) 3 billion
• D) 4 billion
• E) 8 billion

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