https://www.cuemath.com/algebra/roster-notation/
In the roster form of a set, the elements of the set are put within a pair of curly brackets and are separated by commas. Learn how to write the roster form...
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https://www.symbolab.com/study-guides/sanjacinto-collegemath-1/verbal-roster-and-set-builder-notation-for-a-set.html
Study Guide Verbal, Roster, and Set-Builder Notation for a Set
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