numbers

NUMBERS IMPORTANT FACTS AND FORMULAE I..Numeral : In Hindu Arabic system, we use ten symbols 0, 1, 2, 3, 4, 5, 6, 7, 8, 9 called digits to represent any number.  A group of digits, denoting a number is called a numeral.  We represent a number, say 689745132 as shown below : Ten Crores (108) […]