If you obtained a sample of martian rock,determined the abundances of ²³⁸U and ²⁰⁷Pb in it,and found that for every one uranium atom there were seven lead atoms,then what would the age of this rock be? Note that ²³⁸U decays to ²⁰⁷Pb with a half-life of 700 million years.Assume that there was no ²⁰⁷Pb in the rock when it originally formed.

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The Answer of If you obtained a sample of martian rock,determined the abundances of ²³⁸U and ²⁰⁷Pb in it,and found that for every one uranium atom there were seven lead atoms,then what would the age of this rock be? Note that ²³⁸U decays to ²⁰⁷Pb with a half-life of 700 million years.Assume that there was no ²⁰⁷Pb in the rock when it originally formed.

If You Obtained a Sample of Martian Rock,determined the Abundances