Suppose you start with a sample with 1.540?108?nuclei of a particular isotope. This isotope has a half-life of 404?s.?
What is the decay constant for this particular isotope??
|?||You are correct.
Your receipt no. is 161-4764?
How many nuclei remain after 1.03?103?s??
What is the activity of the sample at the beginning of the experiment??