February 27, 2017

Homework Help: calculus

Posted by kela on Friday, November 9, 2012 at 6:00pm.

A sample of a radioactive substance decayed to 94.5% of its original amount after a year. (Round your answers to two decimal places.)
(a) What is the half-life of the substance?
(b) How long would it take the sample to decay to 65% of its original amount?

Answer This Question

First Name:
School Subject:

Related Questions

More Related Questions