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?
Chemistry - DrBob222, Thursday, January 24, 2013 at 10:21pm
7*5700 = ?
Chemistry - soraqah, Tuesday, May 12, 2015 at 6:58am
Chemistry - k, Wednesday, January 25, 2017 at 12:45pm
Carbon-14 has a half-life of 5730
. In a plant fossil, you find that the
has decayed to 1/32.0 of the original amount. How long ago was this plant alive?