Answer:
Step-by-step explanation:
An artifact is found in a desert cave. The anthropologists who found this artifact would like to know its age. They find that the present activity of the artifact is 9.25 decays/s and that the mass of carbon in the artifact is 0.100 kg. To find the age of the artifact, they will need to use the following constants:
r=1.2
The activity of carbon 14 is

where,
is the initial activity of the compound
Solve for t



since,


Now, the age of the artifact is


to two significant figure = 6300 years