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Radiometric Dating

1. A scientist is using radiometric dating to date the age of a fossil. What is the half-life of the sample, according to the graph above?
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2.
2,850 years, 5,700 years elearning , 8,550 years, 11,400 years,
3. A scientist is using radiometric dating to date the age of a fish fossil. The half-life of carbon-14 is approximately 5,700 years. A fish fossil is found in a rock layer that has 25%25 of its original carbon-14 remaining. Which is the best approximation of the age of the fish fossil?
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4.
2,850 years, 5,700 years, 8,550 years, 11,400 years,
5.
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6. A scientist is using radiometric dating to date the age of a fish fossil. The half-life of carbon-14 is approximately 5,700 years. A fish fossil is found in a rock layer that has 50%25 of its original carbon-14 remaining.
1.3 billion years, 2.6 billion years, 3.9 billion years, 5.2 billion years,