Mathematics
Mathematics, 14.10.2020 21:01, azireyathurmond1

Suppose a sample of radioactive substance weighs 40 mg. One year later the sample weighs 29.5 mg. What is the half life of the substance?

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Suppose a sample of radioactive substance weighs 40 mg. One year later the sample weighs 29.5 mg. Wh...

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