A rock that originally had a mass of 1.00g of uranium_238 now only has .125g left. how old is the rock if the half life of uranium_238 is 4.5 billion years?

A rock that originally had a mass of 1.00g of uranium_238 now only has .125g left. how old is the rock if the half life of uranium_238 is 4.5 billion years?

asked Nov 13, 2021 182k views

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