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    The Half-Life of a Certain Radioactive Substance Is 7 Years
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The Half-Life of a Certain Radioactive Substance Is 7 Years

Question 5

Question 5

Multiple Choice

The half-life of a certain radioactive substance is 7 years. What is the yearly percentage decay rate for this substance?


A) 7.35%
B) 9.43%
C) 10.32%
D) 7.14%

Correct Answer:

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