Posted by **Gina** on Thursday, March 29, 2007 at 10:24pm.

A gram of radioactive material has a half-life of one year. After four years how much radioactive material will be left...0g, 1/2g, or 1/4g?

None of the above. The answer one-half to the fourth power.

## Answer this Question

## Related Questions

- College Algebra - The half-life of a radioactive material is about 34.6 years. ...
- math - You have just isolated a new radioactive element. If you can determine ...
- physical science - A certain radioactive substance has a half-life of 1 hour. If...
- Algebra 2 help... - A half life of a certain radioactive is 36 days. An initial ...
- chemistry - if you start with 100mg of radioactive material that has a half life...
- Math - D.E.Q. - The half-life of a radioactive isotope is the amount of time it ...
- chemistry - Radioactive waste is difficult to dispose of due to the long time ...
- Calculus - A certain radioactive material decays exponetially. The percent, P, ...
- Science - How much of a radioactive material with a half-life of 12,000 years is...
- SCIENCE - We did a radioactive decay and half life lab with m&ms and I do not ...