We have a radioactive isotope called RI which has a half-life of 12 million years. A geologist has used radiometric dating and determined the rock to be approximately 36 million years old. How many half lives have taken place?
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Home » Physics » We have a radioactive isotope called RI which has a half-life of 12 million years. A geologist has used radiometric dating and determined the rock to be approximately 36 million years old. How many half lives have taken place?