64 based ratio of U238 and Pb226 in a sample of rock is 4 3

Last updated: 6/7/2023

64 based ratio of U238 and Pb226 in a sample of rock is 4 3 If the half life of U238 is 4 5 10 years then the age of rock is a 9 0 10 years c 4 5 10 years b 6 3 10 years d 3 8 10 years Kornatelu OFT 71 At tim 1600 at t a c