At death, a nobleman in ancient Egypt was mummified and his body contained $\mathbf{1}\mathbf{.}\mathbf{4}\mathbf{\times }{\mathbf{10}}^{\mathbf{-}\mathbf{3}}\mathit{g}$of ${}^{\mathbf{40}}\mathit{K}\mathbf{}\left(t_{1/2}=1.25\times {10}^{9}yr\right)\mathbf{,}\mathbf{}\mathbf{1}\mathbf{.}\mathbf{2}\mathbf{\times }{\mathbf{10}}^{\mathbf{-}\mathbf{8}}\mathbf{}\mathit{g}$of ${}^{\mathbf{14}}\mathit{C}\mathbf{(}{\mathit{t}}_{\mathbf{1}\mathbf{/}\mathbf{2}}\mathbf{=}\mathbf{}\mathbf{5730}\mathit{y}\mathit{r}\mathbf{)}$, and $\mathbf{4}\mathbf{.}\mathbf{8}\mathbf{\times }{\mathbf{10}}^{\mathbf{-}\mathbf{14}}\mathit{g}$ of ${}^{\mathbf{3}}\mathit{H}\mathbf{(}{\mathit{t}}_{\mathbf{1}\mathbf{/}\mathbf{2}}\mathbf{=}\mathbf{12}\mathbf{.}\mathbf{26}\mathit{y}\mathit{r}\mathbf{)}$. Which nuclide would give the most accurate estimate of the mummy’s age? Explain

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