# Decimal meaning

3.432 is an example of a number described as a decimal number.

^{0}= 1. For example, 245.3 represents the real number (2 × 10

^{2}) + (4 × 10

^{1}) + (5 × 10

^{0}) + (3 × 10

^{−1}) = 200 + 40 + 5 +

^{3}

_{10}, and −1.04 represents the real number (−1 × 10

^{0}) + (−4 × 10

^{−2}).

^{5}

_{10})

Pi has a value of 3.141, to three decimals.

An example of a decimal is 2.5 which is two and five tenths.

### Origin of decimal

*decimālis*

*of tenths or tithes*

*from*Latin

*decima*

*a tenth part or tithe*

*from*

*decem*

*ten*dekm̥ in Indo-European roots