Question:
The half-life of radium-223 is approximately 11.43 days.
Last updated: 7/23/2022
![The half-life of radium-223 is approximately 11.43 days.](https://media.kunduz.com/media/sug-question/raw/76103982-1658599883.1865335.jpeg?h=512)
The half-life of radium-223 is approximately 11.43 days. Step 3 of 3: How much of an 8 gram sample of radium-223 would remain after 9 days? Round to three decimal places. Answer