Monday

December 22, 2014

December 22, 2014

Posted by **Anonymous** on Tuesday, March 19, 2013 at 12:19pm.

- sciencemath -
**Steve**, Tuesday, March 19, 2013 at 12:20pm966/138 = 7

7 half-lives means that 1/128 of the original 31g remains.

- Algebra -
**Son Ma**, Tuesday, November 11, 2014 at 9:25amSuppose a laboratory has a 31 g sample of polonium-210. The half-life of polonium-210 is about 138 days. How many half-lives of polonium-210 occur in 966 days? How much polonium is in the sample 966 days later?

**Answer this Question**

**Related Questions**

science - Suppose a laboratory has a 31 g sample of polonium-210. The half-life ...

Science math - Suppose a laboratory has a 38 g sample of polonium-210. The half-...

integrated math - Suppose a laboratory has a 26 g sample of polonium-210. The ...

physics - How long will it take a sample of polonium-210 with a half-life of 140...

calc - The half-life of polonium is 139 days, but your sample will not be useful...

Chemistry - Po-210 Ia an alpha emitter with a half-life of 138 days. how many ...

Math - How long will it take for a 1 g sample of Polonium 210 to lose all but 1/...

Math - How long will it take for a 1 g sample of Polonium 210 to lose all but 1/...

Science - How many days will it take for 3/4 of a sample of polonium 210 to ...

Physical Science - 1. Which equation correctly shows beta decay? (A) 210/82 Pb...