Wednesday, September 17, 2008

Eyebrows Daniel Island Sc

decimal numbering system and positional rankings

The number system we use today is called the decimal and positional.
is decimal or base 10 because the units are grouped by tens.

is positional because the value that represents each digit depends on the situation in

number Example: 41499793 inhabitants


The number 41499793 represents the number of people that are in a country

It reads: Forty-one million four ninety-nine thousand seven hundred ninety-three.

To express quantities we use a numbering system in which 10 units are a unit of next higher order, and the value of each digit depends on its place in the number.

in the number of inhabitants, the number 4 on the left represents forty million, and the other four hundred thousand.