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OBronium-12 is a radioactive material that spontaneously decays when it comes in contact with oxygen. One minute after a 200-mg...

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OBronium-12 is a radioactive material that spontaneously decays when it comes in contact with oxygen. One minute after a 200-mg sample of OBronium-12 is placed into an oxygen chamber, only 140 mg remains. Round your answers to 1 decimal place
4 years ago

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mathhelper
Round what answer to 1 decimal place?
I don't even see a question.
4 years ago

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