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For the following problem use: It takes 100 years for half of the radioactive element
to decay (the true half life of 238U is 4.5 billion years): In a rock, you found 500 g of
238U and 3500 g of 234Th, how many years have passed since this rock was
formed?

Respuesta :

dicelord58

Answer:

12.375 billion years.

Explanation:

This is with my limited understanding of the game. :)

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