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
Correct Answer:

Verified
Correct Answer:
Verified
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