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Atto

Atto (símbolo a) é um prefixo do SI de unidades que denota um fator de 10-18, ou 1/1 000 000 000 000 000 000.[1]

Adotado em 1964, o prefixo vem do dinamarquês atten, significando dezoito.

Referências

  1. ↑ Taylor, Barry N; Thompson, Ambler; National Institute of Standards and Technology (2009). The International System of Units (SI). [S.l.]: DIANE Publishing. 97 páginas. 9781437915587 

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أتو Arabic Ато- Bulgarian অ্যাট্টো- Bengali/Bangla Atto BR Atto- Catalan ئەتۆ- CKB Atto Czech Atto- English Ato (SI) EO Atto Spanish

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