Wednesday

April 23, 2014

April 23, 2014

Posted by **Anonymous** on Friday, December 2, 2011 at 2:32am.

- physics -
**drwls**, Friday, December 2, 2011 at 2:42am(90 g)* 2^(-70/1690)

= 90g * 0.9717 = 87.5 g

**Related Questions**

Math - Exponential Decay - Radium decays exponentially. Its half-life is 1,690 ...

Chem 3A - please help me with this chemistry problem. Half-Life A radium-226 ...

Math - In 1976 a research hospital bought half a gram of radium for cancer ...

Math - In 1976 a research hospital bought half a gram of radium for cancer ...

chemistry - A radium-226 sample initially contains 0.112mol. How much radium-226...

Chemistry - Uranium-238 has half life of 4.51 * 10^9 years Uranium-234 has half ...

Science - Radium has a half-life of 1620 years and decays into radon, which has...

Calc - Radioactive radium () has a half-life of 1599 years. What percent of a ...

math - Radioactive radium has a half-life of approximately 1599 years. What ...

math - Radioactive radium has a half-life of approximately 1599 years. What ...