Environmental Sciences, asked by cwindover, 11 months ago

If an original sample of U238 has a mass of 24 grams, what is the total amount of U238 left after 18 billion years?

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Answered by Anonymous

2

λ is the decay constant. Where Pbt is the number of Pb 206 atoms formed after time t . The half - life, t12 , of U 238 is 4.468×109 years.

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