
number systemsa number expressed in the base10 numeral system.
A decimal is a number expressed in the base number system. This system is the most commonly used numeral system and is based on powers of ten. The position of each digit in a decimal number signifies a specific power of . For example, the decimal number can be understood as:
The point that separates whole numbers from fractional values in a decimal number is called the decimal point. Everything to the left of the decimal point represents whole numbers, and everything to the right represents fractions of a whole.
For instance, in the number , is the whole number part and represents the fractional part. The number can be understood as:
Which can also be written as:
Decimals are essential in mathematics and everyday life as they provide a convenient way to represent and calculate with both whole numbers and fractions. They are especially crucial in contexts where precision is needed.