Physics, 24.02.2020 22:05 38saferguson
A radioactive isotope has a half-life of 5,000 years. A rock originally contained 16 grams of radioactive isotope, and now contains 4 grams. Approximately how many years old is the rock?
Answers: 3
= 5000 years
= 16 grams
= 4 grams
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A radioactive isotope has a half-life of 5,000 years. A rock originally contained 16 grams of radioa...
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