Get comprehensive solutions to your questions with the help of IDNLearn.com's experts. Discover the information you need quickly and easily with our reliable and thorough Q&A platform.

A rock sample originally contains 3.13 mg of U-238. How much Pb-206 will be in the rock sample when it is 4.6 × 10^8 years old? The half-life of uranium−238 is 4.51 × 10^9 years.