There are two scales for numbers used in different countries:
Short scale where each number greater than million (billion, trillion etc.) is 1 000 times greater than previous number, and
Long scale where each number greater than million is 1 000 000 times greater than previous, thus making trillion 1018.
Short scale is generally used more often. ========================================== See the following link for more details http://www.answers.com/long+and+short+scale?gwp=11&ver=2.4.0.651&method=3
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Billion has 9, Trillion has 12, Quadrillion has 15,Quintillion has 18 .
0.12
12 ie. 1,000,000,000,000 In American usage, a trillion has 12 zeros. In British usage, a trillion has 18 zeros. You should be very careful when using the term in something that might be seen outside you home country or in reading something that may have been written outside your home country.
18
(A) means America. (FGW) means France, Germany and the world. (A) Billion 9 zeros (FGW) Billion 12 zeros (A) Trillion 12 zeros (FGW) Trillion 18 zeros