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13-11-2022
Mathematics

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suppose a sample of a radioactive substance weighs 32 mg. One year later, the sample weighs 25.5 mg. What is the half-life of this substance? (round your answer to two decimal places.)

suppose a sample of a radioactive substance weighs 32 mg One year later the sample weighs 255 mg What is the halflife of this substance round your answer to two class=

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