Question: Having a little trouble with half life radius problem? The half-life of radium is 1690 years. If 20 grams are present now, how much will

Having a little trouble with half life radius problem?

The half-life of radium is 1690 years. If 20 grams are present now, how much will be present in 300 years? |:| grams (Do not round until the nal answer. Then round to the nearest thousandth as needed.)

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