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Mathematics, 22.04.2021 17:40 rebekah1503

The half-life of a radioactive kind of cesium is 30 years. If you start with 80 grams of it, how much will be left after 90 years?

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The half-life of a radioactive kind of cesium is 30 years. If you start with 80 grams of it, how m...

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