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Mathematics 22 Online
OpenStudy (anonymous):

After two half-lives, a sample contains 10 grams of parent isotopes. How many grams of the parent isotope were present to start?

OpenStudy (anonymous):

whats the answers for the question

OpenStudy (anonymous):

hello u there

OpenStudy (gorv):

u know what half live means ??

TheSmartOne (thesmartone):

@gorv You forgot to say Welcome to Open Study!!

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