How old is the fossil? Plutonium is used to make nuclear explosives. Thus, we can write: Solution This formula is derived as follows. Exponential decay is a particular form of a very rapid decrease in some quantity. The population of bacteria after ten hours is 10,
Carbon 14 dating
Carbon is naturally in all living organisms and is replenished in the tissues by eating other organisms or by breathing air that contains carbon.
One of the common terms associated with exponential decay, as stated above, is half-lifethe length of time it takes an exponentially decaying quantity to decrease to half its original amount. Exponential decay is a particular form of a very rapid decrease in some quantity. Try It 1 The half-life of plutonium is 80, years. It occurs in small quantities in the carbon dioxide in the air we breathe.