Multiple Choice
The half-life of uranium-238 is 4.5 billion years.Uranium-238 decays to lead-206.You find a rock with 18,000 atoms of uranium-238 and 6,000 atoms of lead-206.How old is the rock?
A) 1.12 billion years old
B) 2.25 billion years old
C) 4.45 billion years old
D) 6.75 billion years old
E) 8.90 billion years old
Correct Answer:
Verified
Correct Answer:
Verified
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