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Today, it is known that 9.28% Uranium-238 and 0.72% Uranium-235 in natural Uranium. A) Assuming that...

Today, it is known that 9.28% Uranium-238 and 0.72% Uranium-235 in natural Uranium.
A) Assuming that the amount of these two isotopes is the same as when the solar system was formed, what is the current age of the natural uranium in the solar system?
B) Since the earth's crust was formed 2.5x109 years ago, how much Uranium-238 has been destroyed to this day?
C) What was the percentile of Uranium-238 and Uranium-235 elements found in natural uranium as soon as the solar system occurred?
Help me please ? ? ?‍♀️?‍♀️?‍♀️

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genius_generous answered 3 years ago
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