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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?

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jhopeislife22

Answer to both is 13 and 1.3 billion years old.

I just completed the assignment, sorry if this is late. but I hope it helps

Answer:

How many atoms will there most likely be at the third half-life of potassium-40 in this model?

✔ 13

A model rock layer had 50 pennies (atoms of potassium-40).

How old is the rock layer?

✔ 1.3 billion years old

Step-by-step explanation:

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