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

Suppose 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?

- sciencemath -
**Steve**, Tuesday, March 19, 2013 at 12:20pm
966/138 = 7

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

- Algebra -
**Son Ma**, Tuesday, November 11, 2014 at 9:25am
Suppose 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?

- sciencemath -
**Anonymous**, Thursday, April 9, 2015 at 5:43pm
7:.24

- sciencemath -
**Anonymous**, Monday, November 23, 2015 at 3:46pm
21

## 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 ...
- algebra - Consider that the half-life of Polonium-210 is 140 days.What ...
- calc - The half-life of polonium is 139 days, but your sample will not be useful...
- Chemistry - Static charge can interfere with the production of plastic products ...
- physics - How long will it take a sample of polonium-210 with a half-life of 140...
- Chemistry - In 2006, Soviet dissident Alexander Litvinenko was murdered when ...
- Science - How many days will it take for 3/4 of a sample of polonium 210 to ...
- Chemistry - Po-210 Ia an alpha emitter with a half-life of 138 days. how many ...

More Related Questions