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zetta (Z)

Zetta (Z) is the prefix for one quadrillion. In decimal notation, it is the 21-digit decimal number 1,000,000,000,000,000,000; in exponential notation, it is: 10exp21 or 10high21. The prefix Zetta, like all other mathematical prefixes, is defined in the Système International (SI).

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Englisch: zetta - Z
Updated at: 20.03.2010
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