Biology, 30.01.2021 01:30 Yamari000

A radioactive material has a half-life of 30 days. You begin with 4 grams of radioactive material. a. How much of the original is left unchanged after 90 days? b. After 120 days?

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A radioactive material has a half-life of 30 days. You begin with 4 grams of radioactive material. a...

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