Mathematics, 13.08.2020 01:01 nerikzagallegos

A sample of a radioactive substance decayed 11% over the course of 3 weeks. How many grams were in the sample originally if 30.26 grams of the substance were remaining after the 3 weeks?

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A sample of a radioactive substance decayed 11% over the course of 3 weeks. How many grams were in t...

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