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Rubidium-strontium dating. The rubidium isotope 8737Rb, a β emitter with a half-life of 4.75×1010yr, is used...

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Physics

Rubidium-strontium dating. The rubidium isotope 8737Rb, a βemitter with a half-life of 4.75×1010yr, is used to determine theage of rocks and fossils. Rocks containing fossils of ancientanimals contain a ratio of 8738Sr to 8737Rb of 0.0310.

Assuming that there was no 8738Sr3887Sr present when the rockswere formed, estimate the age of these fossils.

Answer & Explanation Solved by verified expert
4.1 Ratings (703 Votes)
Radioactive decay of into is given below Half life is 475 1010    See Answer
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