If you weigh a sample of a substance and determine it to be 2.56 g of a adioactive material that has a half-life of 6 days, what is the age of the sample if the original sample had a mass of 81.8 g?
- I know how to set the equation up, but im not sure how to solve.

Question

If you weigh a sample of a substance and determine it to be 2.56 g of a adioactive material that has a half-life of 6 days, what is the age of the sample if the original sample had a mass of 81.8 g?
- I know how to set the equation up, but im not sure how to solve.

azureilai · Answer

This is my equation 
2.56= 81.8 X (0.5)^t/6

anonymous · Answer

Here's a link: http://www.1728.org/halflife.htm.