ddeirdre16 ddeirdre16

28-10-2022
Mathematics

Answered

Suppose there is a mineral body which contained some amount of 238U, which has a half-life of 4.51×109 years, but has no lead, the end product of the radioactive decay of 238U. If the ratio of 238U to lead atoms today is 0.82, how long ago did the mineral body form?

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