October 6, 2015

Homework Help: MATH help

Posted by HM on Tuesday, September 27, 2011 at 10:20am.

a certain radioactive isotope has a half life of approx 1,300 years .
How many years to the nearest year would be required for a given amount of this isotope to decay to 55% of that amount.

So I am not sure where to put the 1,300


or A=x*e^1300

Answer this Question

First Name:
School Subject:

Related Questions

More Related Questions