Question: The problem has to do with half life and how much will be present in the future. The half-life of radium is 1690 years. If
The problem has to do with half life and how much will be present in the future.

The half-life of radium is 1690 years. If 70 grams are present now, how much will be present in 930 years? |:| grams (Do not round until the nal answer. Then round to the nearest thousandth as needed.)
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