Multiple Choice
Uranium-238 has a half-life of 4.5 billion years.You have a rock that formed with 100,000 uranium-238 molecules.How many uranium-238 molecules will be left in 4.5 billion years?
A) 100,000
B) 75,000
C) 50,000
D) 25,000
E) 0
Correct Answer:
Verified
Correct Answer:
Verified
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