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if 12g of a radioactive substance are present initially and 2 year later only 6.0 g​ remain, how much of the​ substance, to the nearest tenth of a​ gram, will be present after 3 ​yr?
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if 12g of a radioactive substance are present initially and 2 year later only 6.0 g​ remain, how much of the​ substance, to the nearest tenth of a​ gram, will be present after 3 ​yr?

User John Kraft
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1 Answer

3 votes

Answer:

3.0g

Explanation:

I think it is 3.0g tell me if I am wrong

User Evgeny Makarov
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