Question

What is the age of a fossil that contains one-fourth of the amount of carbon-14 found in living organisms? Use the image below as a reference.

A.
22,920 years
B.
2865 years
C.
11,460 years
D.
5730 years

Answer 1

C. 11460 years

Step-by-step explanation:

the halflife of C-14 is 5730 and since there is 1/4 left that means it went through 2 halflife periods

Answer 2

I believe it would be C 11,460