Question:
2 9 10 yr 19K 40 A 10 yr 20 40 18 Ar40 Ratio of atoms of Ar
Last updated: 6/30/2023
2 9 10 yr 19K 40 A 10 yr 20 40 18 Ar40 Ratio of atoms of Ar to K in a rock sample is 3 10 Calculate age of rock sample assu that source of Ar is radioactive decay of K40 only and no Ar was present at the ti formation of rock