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Home Q & A Board Science-Related Homework Help Psychology Neuroscience and Mental Health
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Omarlate Omarlate
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6 years ago
44 g of petrified wood was found in a petrified forest. A sample showed a 14C activity of 100 decays/minute. How long has the tree been dead (in years)? (The half-life of carbon-14 is 5730 years and freshly cut wood contains 6.5  1010 atoms of 14C per gram.)
 a. 12 300
  b. 15 600
  c. 8 500
  d. 4 700
  e. 2 400
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Tanzious02Tanzious02
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6 years ago
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Omarlate Author
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6 years ago
Thanks
kevin12323h
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Yesterday
This helped my grade so much Perfect
patyfeitosa
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2 hours ago
this is exactly what I needed
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