durrencea durrencea

04-12-2019
Chemistry

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a radioactive substance has a half-life of 10 years.if you start with 30 grams of the substance, how much will remain after 30 years.

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koldk313 koldk313

04-12-2019

Your answer is 9,000. If you times 30 by 10 you’ll get 300, that’s how many grams you’ll have in 10 years. If you want to know how many grams you’ll have in 30 years you will get 9,000

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