A sample of \( \mathrm{U}^{238} \) (half life \( =4.5 \times 10^{9}... VIDEO
A sample of \( \mathrm{U}^{238} \) (half life \( =4.5 \times 10^{9} \mathrm{yr} \) ) ore is found to contain \( 23.8 \mathrm{~g} \) of \( \mathrm{U}^{238} \) and \( 20.6 \mathrm{~g} \) of \( \mathrm{Pb}^{206} \). Calculate the age of the ore.
\( \mathrm{P} \)
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