Mathematics, 12.12.2020 17:10 Diego4519
The radioactive isotope 14C has a half-life of approximately 5715 years. A piece of ancient charcoal contains only 81% as much of the radioactive carbon as a piece of modern charcoal. How long ago was the tree burned to make the ancient charcoal
Answers: 2
Mathematics, 21.06.2019 20:30, jonmorton159
Aword processing program requires a 7- digit registration code made up of the digits 1,2,4,5,6,7 and 9 each number has to be used and no number can be used mor than once how many codes are possible
Answers: 1
The radioactive isotope 14C has a half-life of approximately 5715 years. A piece of ancient charcoal...
History, 06.04.2020 16:30