QuarkNet,a project funded by the National Science Foundation and the U.S.Department of Energy,poses the following problem on its website:
"Last year,deep within the Soudan mine,QuarkNet teachers began a long-term experiment to measure the amount of carbon-14 remaining in an initial 100-gram sample at 2000-year intervals.The experiment will be complete in the year 32001.Fortunately,a method for sending information backwards in time will be discovered in the year 29998,so,although the experiment is far from over,the results are in."
Here is a portion of the data: 
A scatterplot of these data looks like: 
Use your model to estimate what the mass will be after 7500 years.
Definitions:
Annual Salary
The total amount of money that an individual earns in one year from their job before taxes and deductions.
Gross Earnings
The total amount of income earned by an individual or generated by a business before any deductions like taxes or expenses are applied.
Production In Excess
The situation when the quantity of goods produced exceeds the demand or expected sales volume.
Processing Line
A sequence of mechanical or chemical operations performed in order to prepare a product for market or further processing.
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