Question: I would like to know the answer and the solution as soon as possible! Uranium-238 (U-238) has a half-life of 4.5 billion years. Geologists find

I would like to know the answer and the solution as soon as possible!

Uranium-238 (U-238) has a half-life of 4.5 billion years. Geologists find a rock containing a mixture of U-238 and lead, and determine that 85% of the original U-238 remains; the other 15% has decayed into lead. How old is the rock (in billions of years)
Step by Step Solution
There are 3 Steps involved in it
Get step-by-step solutions from verified subject matter experts
