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HELP If an isotope has a half-life of 100 million years, how much of the isotope would remain after 300 million years? Show your work and give your answer as a percent.
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HELP

If an isotope has a half-life of 100 million years, how much of the isotope would remain
after 300 million years? Show your work and give your answer as a percent.

User Jade Hamel
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0%?... i mean if 100 million years is half of its life then 300 million years surpasses its entire lifetime which would be 200 million years. Based off of this I don’t believe there’d be anything left
User Will Buck
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