What is the half-life of Uranium-238?
1 Answer
Feb 6, 2014
The half-life of uranium-238 is 4.468 billion years.
Explanation:
Scientists estimate the age of the Earth as 4.54 billion years, plus or minus about fifty million years.
That means that about 49 % of all the uranium-238 that existed when the earth was formed is still present.
