Exponential and logarithmic functions in carbon 14 dating


23-Oct-2020 04:21

With situations involving decay, the rate of growth is always negative.The half-life of a substance is the amount of time it takes for half of that substance to decay.Radiocarbon dating can be used on samples of bone, cloth, wood and plant fibers.The half-life of a radioactive isotope describes the amount of time that it takes half of the isotope in a sample to decay.The more cookies I make, the more practice I have and the less time it takes me to bake the cookies.

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Since the half-life of Plutonium 239 is so high (even in comparison to the carbon 14 half-life of 5,730 years) humans must be very cautious of the way they dispose of plutonium.When finding the age of an organic organism we need to consider the half-life of carbon 14 as well as the rate of decay, which is –0.693.For example, say a fossil is found that has 35% carbon 14 compared to the living sample. We can use a formula for carbon 14 dating to find the answer. This means that it has a constant relative rate of decay.

The same equation is used for this situation as for continuous compounding and population growth.Scientists are looking for safe ways for disposing plutonium.



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