be the total value of US currency (coins and banknotes) in circulation at time.The table gives values of this function from 1980 to 2000, as of September 30, in billions of dollars.Estimate the value of 
(1990) . 
Answers are in billions of dollars per year.Round yourAnswer to two decimal places.
Definitions:
Administrative Agencies
Governmental bodies responsible for the oversight and implementation of specific regulations and laws.
Federal Level
Pertains to the national government operations or regulations, as opposed to state or local levels.
State Level
Pertaining to governmental authority and matters that are handled by individual state governments, as opposed to the federal government.
Uniform Law
A law created to account for the variability of laws among states; serves to standardize the otherwise different interstate laws. Also called model law.
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