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Uranium-238 Undergoes Radioactive Decay with a Half-Life of 4

Question 34

Multiple Choice

Uranium-238 undergoes radioactive decay with a half-life of 4.5 billion years,producing lead-206.After 13.5 billion years,what is the ratio of uranium-238 to lead-206 in a sample that originally contained only uranium-238?


A) 1:2
B) 1:3
C) 1:4
D) 1:8

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