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Question: What is Numeral ?

Answer:

The symbol used for showing the number of items in a set are called numerals. You would write the number of stars on the right using the numeral 5. Two thousand years ago the Romans would have used the numeral V.

For example, the usual decimal representation of whole numbers gives every whole number a unique representation as a finite sequence of digits, with the operations of arithmetic (addition, subtraction, multiplication and division) being present as the standard algorithms of arithmetic.

Another example, numerals like 2.31 and 2.310 are taken to be the same, except in the experimental sciences, where greater precision is denoted by the trailing zero.