Question

What is tally mark ??​

Answer 1

Tally marks, also called hash marks, are a unary numeral system. They are a form of numeral used for counting. They are most useful in counting or tallying ongoing results, such as the score in a game or sport, as no intermediate results need to be erased or discarded.

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Answer 2

Tally marks are the vertical line (|) used to represent a particular observation.

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