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atto (a)

Atto (a) is the prefix for a trillionth. In decimal notation it is zero

with 18 digits after the decimal point: 0.000.000.000.000.001, in exponential notation it is: 10exp-18 or 10hoch-18. The prefix atto is defined in the Système International (SI), as are all other mathematical prefixes.

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Englisch: atto - a
Updated at: 20.03.2010
#Words: 14
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Translations: DE