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Mathematics, 24.02.2021 09:10 etampus0220

If 50 grams of a radioactive substance decomposed to 42 grams in 2 years, then, to the nearest gram, the amount left after 5 years is 30 grams

32 grams

22 grams

40 grams

28 grams

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If 50 grams of a radioactive substance decomposed to 42 grams in 2 years, then, to the nearest gram,...
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