👉 In mathematics, a decimal number (also known as a base-10 number) is a number that can be expressed in terms of 10. It consists of a set of digits, where each digit represents a power of 10 and the value of these digits is determined by their position. For example, the number 23456789 is a decimal number because it can be written as 2 x 10^4 + 3 x 1
