Posted by **Jackie** on Friday, January 25, 2013 at 11:43am.

assume the substance has a half-life of 11 years and the initial amount is 126 grams.How long will it be until only 15 % remains?

## Answer this Question

## Related Questions

- calculus - Assume a substance has a half-life of 11 years and the initial amount...
- Math, science - assume the substance has a half-life of 12 years and the initial...
- Math - assume the substance has a half-life of 11 years and the initial amount ...
- algebra - A radioactive substance decays according to the formula A=A0e^kt where...
- calculus - assume the half-life of the substance is 31 days and the initial ...
- Math/Radioactive Dating - How would I calculate the age of a rock only given the...
- calculus - The rate at which an amount of a radioactive substance decays is ...
- precal - If the half-life of a certain radioactive substance is 2000 years, ...
- AP Calculus - An Initial amount of 100 grams of Thorium-234 decays according to ...
- Biology - The half -life of carbon-14 is 5,730 years.how much of an initial ...

More Related Questions