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18. The half-life of a radioactive isotope is 7 years. Initially, there are 100 grams of the isotope. Which expression shows the amount of the isotope remaining after x years?
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23 votes
18. The half-life of a radioactive isotope is 7 years.

Initially, there are 100 grams of the isotope.
Which expression shows the amount of the isotope
remaining after x years?

User Going Bananas
by
5.8k points

1 Answer

9 votes

Answer:

100(0.5)^X/7

Explanation:

That is how you would put it ;)

User Danpelota
by
5.0k points
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