Lm17

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Questions

The following questions were asked by visitors named Lm17.

The half-life for the process 238U→206Pb is 4.5×109yr. A mineral sample contains 67.0 mg of 238U and 16.5 mg of 206Pb. What is the age of the mineral? Express your answer using two significant figures.
4 years ago

Answers

The following answers were posted by visitors named Lm17.