# Dinosaur fossils are too old to be reliably dated using carbon-14, which has a half-life of about 5730 years. Suppose we had a 66 million year old dinosaur fossil. How much of the living dinosaur's 14C would be remaining today? (Round your answer to five decimal places.) % Suppose the minimum detectable amount is 0.5%. What is the maximum age of a fossil that we could date using 14C? (Round your answer to the nearest integer.) yr

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Dinosaur fossils are too old to be reliably dated using carbon-14, which has a half-life of about 5730 years. Suppose we had a 66 million year old dinosaur fossil. How much of the living dinosaur's 14C would be remaining today? (Round your answer to five decimal places.)
%

Suppose the minimum detectable amount is 0.5%. What is the maximum age of a fossil that we could date using 14C? (Round your answer to the nearest integer.)
yr

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Step 1

a)

Given,

The half life 14C is 5730 years.

Step 2

The formula for exponential model is

Step 3

Taking ln on both sides,

...

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