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If 14 g of a radioactive substance are present initially and 3 years later only 7 g remain, how much of the substance will be present after 8 yr?
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If 14 g of a radioactive substance are present initially and 3 years later only 7 g remain, how much of the substance will be present after 8 yr?

User Smashedtoatoms
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2 Answers

6 votes
3.5 substances will be present after 8 years
User Dan Dohotaru
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8.3k points
6 votes
find the half-life of the substance, then solve.
If 14 g of a radioactive substance are present initially and 3 years later only 7 g-example-1
User Asgar
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