Final answer:
Serial numbers on dollar bills serve the purpose of identification, organization, and authentication.
Step-by-step explanation:
Serial numbers are printed on dollar bills for several reasons:
- Identification: Serial numbers help to identify and track individual bills. They allow banks and the Treasury to keep a record of the bills in circulation and detect counterfeits.
- Organization: Serial numbers help to organize the distribution and tracking of money. Banks can easily sort and count bills based on their serial numbers.
- Authentication: Serial numbers serve as a security feature to prevent counterfeiting. Different printing techniques, such as intaglio printing, may be used to create unique and difficult-to-copy serial numbers on bills.
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