C14 - 2013 was released on: USA: 30 October 2013 (limited)
The simplest and best way is: =SUM(C1:C14)
Yes.
There would be 1/32 left.
1/32 of the original amount.
C12 and C14 are isotopes of the Element Carbon. C12 is the most abundant of all which is 99% of all the Carbon on earth while C14 is only 0.0000000001% (trace amount). C12 has a Atomic Number of 12. It has 6 Protons and 6 Neutrons. C14 has a Atomic Number of 14. It has 6 Protons and 8 Neutrons. C14 is radioactive in nature. It is used for carbon dating.
It is a relative cell reference.
N14
The cast of C14 - 2013 includes: Dustin Bacon as Random Guy Craig Bouwens as Zombie 2 David Scott Diaz as David
The half-life of C14 is 5730 years so the given period is 5 half-lives. You should, therefore, expect approx 2-5 = 0.03125 of the original C14 to remain.
3 - c12, c13 and c14
The order of half-life from shortest to longest is: P32 (phosphorus-32), S35 (sulfur-35), C14 (carbon-14), and H3 (tritium).