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The half-life of radium-226 is 1600 years. How many grams of a 0.25 g sample will remain after 4800 years?

The half-life of radium-226 is 1600 years. How many grams of a 0.25 g sample will remain after 4800 years?
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The half-life of radium-226 is 1600 years. How many grams of a 0.25 g sample will remain after 4800 years?

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User Paul Lalonde
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The half-life of radium-226 is 1600 years. How many grams of a 0.25 g sample will remain after 4800 years?

this would be 0.03125 gram
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User PikkuKatja
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