The half-life of C-14 is 5700 years. If it took seven half lives for a sample of C-14 to decay completely, how many years would have gone by?
2 answers
7*5700 = ?
Carbon-14 has a half-life of 5730
years
. In a plant fossil, you find that the
14
C
has decayed to 1/32.0 of the original amount. How long ago was this plant alive?
years
. In a plant fossil, you find that the
14
C
has decayed to 1/32.0 of the original amount. How long ago was this plant alive?