Sunday

March 29, 2015

March 29, 2015

Posted by **sam** on Friday, February 8, 2008 at 1:03pm.

At study hall test is after lunch and cant figure out htese 2 on my review packet

- SCIENCE PLEASE HELP -
**bobpursley**, Friday, February 8, 2008 at 1:34pmWEll, follow the formula...

amountremaining=Original*e^(-.692t/13)

3.29/26/3= e^(-.692t/13)

take the ln of each side

-.207 = -.692t/13

solve for t in days.

**Answer this Question**

**Related Questions**

science help Please - There are 3.29g of Iodine 126 remaining in a smaple ...

chemistry - Naturally occurring iodine has an atomic mass of 126.9045. A 12.3849...

Math - Please show me how to solve: Doctors can use radioactive iodine to treat ...

chemistry - Iodine-131 is used to destroy thyroid tissue in the treatment of an ...

Exponential Growth and Decay - Doctors use iodine-131 to treat some forms of ...

science - the half-life of iodine-131 is 8 days. how much iodine-131 will be ...

Chemistry - Iodine pentafluoride is an incendiary agent, a substance that ...

Chemistry - 2. The half-life of a radioactive element is important when ...

Chemistry - The half-life of iodine -125 is 60 days. What fraction of iodine-125...

math - A chemist has 80 pints of a 20% iodine solution. How many pints of iodine...