SAT, 01.12.2021 18:30, caleb19moody
The half-life of radium is 1620 years. If a laboratory has 12 grams of radium, how long will it take before it has 8 grams of radium left?.
Answers: 2
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The half-life of radium is 1620 years. If a laboratory has 12 grams of radium, how long will it take...
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