# Digital Circuits/Number Representations

**Decimal Numbers**
A decimal number system is composed of ten digits from 0 to 9 and each digit has its own weight and quality. These are the numbers which have base 10. In decimal number system every digit has a weight multiplied by power of 10.

Eg: Let us take a number 56. here 5 has a weight of 10 i.e. 5×10=50 and 6 has a weight of 1 i.e. 6×1=6 after adding these numbers we get 50+6=56