Potassium-40 has a half-life of 1.25 billion years. If a rock sample contains W Potassium-40 atoms for every 1000 its da

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answerhappygod
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Potassium-40 has a half-life of 1.25 billion years. If a rock sample contains W Potassium-40 atoms for every 1000 its da

Post by answerhappygod »

Potassium-40 has a half-life of 1.25 billion years. If a rock
sample contains W Potassium-40 atoms for every 1000 its daughter
atoms, then how old is this rock sample? Your answer should be
significant to three digits. w=0.18
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