Mathematics, 23.01.2021 02:30, lindseyreneesmith7

A fossil contains a radioactive element with a half-life of 4.5 million years. If the ration of the radioactive element to decay product is 1:8 (12.5% to 87.5%), how old is the fossil?

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A fossil contains a radioactive element with a half-life of 4.5 million years. If the ration of the...