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if you began with 80g of a parent isotope you would have 40g of that isotope after one half life of that isotope how many grams are left after 4 lifes
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if you began with 80g of a parent isotope you would have 40g of that isotope after one half life of that isotope how many grams are left after 4 lifes

User Joshua Kleveter
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none. And can you add commas
User Lilan Silva
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