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If 14 g of a radioactive substance are present initially and 7 years later only 7 g remain, how much of the substance will be present after 9 yr?

If 14 g of a radioactive substance are present initially and 7 years later only 7 g remain, how much of the substance will be present after 9 yr?
asked 201k views
5 votes
If 14 g of a radioactive substance are present initially and 7 years later only 7 g remain, how much of the substance will be present after 9

yr?

asked
User Max Schmidt
by
8.0k points

1 Answer

2 votes

Answer:

5g

Explanation:

14-9=5

answered
User Ivangtorre
by
8.5k points
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