Perform the following calculation and report the answer to the correct number of significant figures. 
Definitions:
Tasks
Specific pieces of work or duties assigned to someone as part of their job.
Occupational Information Network
A comprehensive database system that collects, organizes, and describes the skills, abilities, work activities, and interests associated with various occupations.
Common Language
A language that is mutually understood and used by people who have different native languages, facilitating communication and cooperation.
Mental Demands
Refers to the cognitive efforts required by a job, including thinking, decision making, calculating, and remembering.
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