What is the largest digit in the decimal number system?

Solution:

A decimal number can be defined as a number whose whole number part and the fractional part is separated by a decimal point.

There are a total of 10 digits in the decimal number system. 

They are: 0, 1, 2, 3, 4, 5, 6, 7, 8, and 9

Hence, the largest digit in the decimal number system is from one of the above. 

Clearly, out of the ones given here, 9 is the largest digit. 

Thus, 9 is the largest digit in the decimal number system.

What is the largest digit in the decimal number system?

Summary:

9 is the largest digit in the decimal number system.