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Billion is a word for a large number, and it has two distinct definitions: . 1,000,000,000, i.e. one thousand million, or 10 9 (ten to the ninth power), as defined on the short scale.
Traditional British usage assigned new names for each power of one million (the long scale): 1,000,000 = 1 million; 1,000,000 2 = 1 billion; 1,000,000 3 = 1 trillion; and so on. It was adapted from French usage, and is similar to the system that was documented or invented by Chuquet.
In standard form, it is written as 1 × 10 9. The metric prefix giga indicates 1,000,000,000 times the base unit. Its symbol is G. One billion years may be called an eon in astronomy or geology. Previously in British English (but not in American English), the word "billion" referred exclusively to a million millions (1,000,000,000,000). However ...
A natural language numbering system allows for representing large numbers using names that more clearly distinguish numeric scale than a series of digits. For example "billion" may be easier to comprehend for some readers than "1,000,000,000".
Different cultures used different traditional numeral systems for naming large numbers.The extent of large numbers used varied in each culture. Two interesting points in using large numbers are the confusion on the term billion and milliard in many countries, and the use of zillion to denote a very large number where precision is not required.
The company that received the contract, a veteran-owned business called D&G Solutions, told CNN that was a mistake — the contract was actually worth a maximum of $8 million, not $8 billion.
1 km 2 means one square kilometre, ... and t or T as abbreviations for million, billion (10 9) and trillion (10 12), respectively, for large quantities, ...
the long scale — designates a system of numeric names formerly used in British English, but now obsolete, in which a billion is used for a million million (and similarly, with trillion, quadrillion etc., the prefix denoting the power of a million); and a thousand million is sometimes called a milliard. This system is still used in several ...