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Decimal Notation

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Numbers can be of many forms, decimal number is one of such forms. In Math, decimals holds a very important Position. Numbers which contain decimal Point are known as Decimal Numbers. All whole Numbers are decimal numbers but all decimal numbers are not whole numbers. Only some part of Decimal number is called as Whole Number. Digits on left side of decimal number forms an Integer number and digits on right side of decimal forms a fraction number.

The base 10 positional Notations are also known as decimal notations. Decimal notation is a type of decimal number such as the decimal fraction. A decimal notation can be defined by an example: the decimal notation of 32.56 is represented as 30 + 2 + 5x$\frac{1}{10}$ + 6x$\frac{1}{100}$

The decimal notation and its word names are given below:

100 - Hundreds

10 - Tens

1 - Ones

$\frac{1}{10}$ - Tenths

$\frac{1}{100}$ - Hundredths

$\frac{1}{1000}$ - Thousandths

Examples:
1. 497.32 = 400 + 90 + 7 + 3x$\frac{1}{10}$ + 2x$\frac{1}{100}$
2. 76.23 = 70 + 6 + 2x$\frac{1}{10}$ + 3x$\frac{1}{100}$
3. 8.123 = 8 + 1x$\frac{1}{10}$ + 2x$\frac{1}{100}$ + 3x$\frac{1}{1000}$
4. 12. 5 = 10 + 2 + 5x$\frac{1}{10}$