Posted by **Brandon** on Monday, February 17, 2014 at 9:35pm.

The half-life of radioactive strontium-90 is approximately 31 years. In 1960, radioactive strontium-90 was released into the atmosphere during testing of nuclear weapons, and was absorbed into people's bones. How many years does it take until only 11 percent of the original is left?

## Answer This Question

## Related Questions

- Calculus - The half-life of radioactive strontium-90 is approximately 31 years. ...
- Calculus - [Exponential growth & decay] The half-life of radioactive strontium-...
- Math - The half-life of radioactive strontium-90 is approximately 32 years. In ...
- Math - The half-life of radioactive strontium-90 is approximately 28 years. In ...
- calculus - In the early 1960s, radioactive strontium-90 was released during ...
- Calculas - In the early 1960s, radioactive strontium-90 was released during ...
- AP Environmental Science (URGENT) - Strontium-90 is a radioactive waste product ...
- chem - Radioactive substances decay by first-order kinetics. How many years ...
- Science - Can anyone help me find the half-life of strontium-90? I also need an ...
- SCIENCE - We did a radioactive decay and half life lab with m&ms and I do not ...

More Related Questions