Question:
Radium-226 is radioactive and has a half life of 1600.
Last updated: 8/5/2022
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Radium-226 is radioactive and has a half life of 1600. years. How much of a 6.70 mg sample would be left after 3.47 × 10³ years? Round your answer to 2 significant digits. Also, be sure your answer has a unit symbol.