what's the definition of the digit?
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.