Biology, 16.01.2020 01:31 Mathmatician22

Asubstance has a half-life of 100,000 years and an initial mass of 1,000 grams. how many years will pass before only 250 grams of the substances parent material is left?

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Asubstance has a half-life of 100,000 years and an initial mass of 1,000 grams. how many years will...