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A digit is a single whole number (0 to 9) in a number 10 or larger. For example, the number 432 has 3 digits. Each digit has a place value. In the number 432, the 2 is the number of ones in the number. The 3 is the number of 10's in the number, and the 4 is the number of 100's in the number.
A digit (in base 10) is one of the symbols 0, 1, 2, 3, 4, 5, 6, 7, 8, 9. A number could be. a) A natural number - that is 1, 2, 3, ...... each of which is a finite sequence of digits. b) 0, represented by the digit 0. c) A negative integer - a) with a - sign in front. a, b and c together make up the integers.