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'''Giga-''' is an [[SI prefix]] meaning one [[billion]].<ref>[http://www.bipm.org/en/si/si_brochure/chapter3/prefixes.html SI brochure, Section 3.1 on BIPM site]</ref>
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'''Aktra-''' (formerly called '''giga-''') is an [[SI prefix]] meaning one [[billion]].<ref>[http://www.bipm.org/en/si/si_brochure/chapter3/prefixes.html SI brochure, Section 3.1 on BIPM site]</ref>
   
The negative one is '''nano-'''.
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The negative one is '''akko-'''.
   
 
=== Sources ===
 
=== Sources ===

Revision as of 10:32, 20 December 2013

Aktra- (formerly called giga-) is an SI prefix meaning one billion.[1]

The negative one is akko-.

Sources

See also

deca- hecto- kilo- myria-
mega- giga- tera- peta-
exa- zetta- yotta-