Base 10, also known as the decimal system, is a numeral system that uses ten digits (0-9) to represent numbers. It is the most commonly used number system in everyday life and arithmetic.
Binary System: A numeral system that uses two digits, 0 and 1, to represent numbers.
Hexadecimal System: A numeral system that uses sixteen symbols (0-9 and A-F) to represent values.
Place Value: The numerical value that a digit has by virtue of its position in a number.