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is the initial mass of the isotope at time t = 0
is the mass of the isotope after time t
is the half-life of the isotope, which is the time taken for the amount of isotope to halve
is the initial mass of the sample of Thorium-232
is the half-life of the sample
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The half-life of Thorium - 232 is 14 billion years. If you started with 26 grams of Thorium, how man...
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