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The half-life for a 400-gram sample of radioactive element X is 3 days. How much of element X remains after 15 days have passed? A. 12.5 g B. 25 g C. 50 g D. 100 g
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The half-life for a 400-gram sample of radioactive element X is 3 days. How much of element X remains after 15 days have passed?

A.
12.5 g

B.
25 g

C.
50 g

D.
100 g

User Gwyn
by
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1 Answer

4 votes
The answer to your question is B!!
User Kikelomo
by
4.5k points
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