140826
AssignmentMultiple Dropdowns

Lab: Relative and Absolute Dating

Question 140826 • MOHEGAN - EARTH SCIENCE A

How many atoms will there most likely be at the third half-life of potassium-40 in this model? A model rock layer had 50 pennies (atoms of potassium-40). How old is the rock layer?

Answer
Selection 1:

13

Selection 2:

1.3 billion years old