Multiple Choice
The half-life of potassium-40 is 1.3 billion years.If a rock starts with 12,000 atoms of potassium-40,how many atoms will remain in 650 million years?
A) 1,000
B) 3,000
C) 4,000
D) 6,000
E) 9,000
Correct Answer:
Verified
Correct Answer:
Verified
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