Posted by **Kim** on Thursday, March 15, 2012 at 8:53pm.

The mass of a radioactive substance follows an exponential decay model, with a decay rate of 5% per day. A sample of this radioactive substance was taken six days ago. If the sample has a mass of 3 kg today, find the initial mass of the sample. Round your answer to two decimal places.

## Answer this Question

## Related Questions

- calculus - Carbon-14 is a radioactive substance produced in the Earth's ...
- calculus - The rate at which an amount of a radioactive substance decays is ...
- Math-Exponential Decay - A lab technician had 58 grams of a radioactive ...
- Science - Radioactive substance decays so that after t years, the amount ...
- Exponential decay - Show that if a radioactive substance has a half life of T, ...
- science - A 10g sample of radioactive substances is lift to decay for five half-...
- Science- Radioactive Dating - Which of the following statements about ...
- math - if the rate for radioactive decay for a substance is r=-.0063 and time is...
- Math - A radioactive substance decays according to the formula Q(t) = Q0e−...
- Math - A radioactive substance decays according to the formula Q(t) = Q0e−...

More Related Questions