An artifact contains one-fourth as much carbon-14 as the atmosphere. How old is the artifact?

Question

aaronq · Answer

whats the half-life of C-14?

anonymous · Answer

aaronq · Answer

that is the worst website to gather knowledge from

anonymous · Answer

you are not gathering knowledge, but information (or facts). Knowledge requires the application of data and information; answers "how" questions

aaronq · Answer

lol so acquiring information is not acquiring knowledge?

anonymous · Answer

I used carolynes link thanks :)

anonymous · Answer

aaronq · Answer

okay, give me an example of where its not