Zetta- Zetta- Zetta is a decimal unit prefix in the metric system denoting a factor of 10 or . The prefix was added as an SI prefix to the International System of Units (SI) in 1991 and has the symbol Z. Zetta is evocative of the Latin numeral , meaning "seven". Therefore it was used to denote the seventh power of 1000. A prefix of the same value, "hepta", was informally introduced a few years before the promulgation of zetta. It was formed from the Greek (), also meaning "seven". "Hepta" never received official sanction and is obsolete. Zeta (), although
Peta Hewitt in 1966 to James and Marjory Little, she is one of 7 brothers (2) and sisters (5). Peta attended Norlane High School and graduated in 1984. She married Wayne Hewitt in September 1992 and they have 3 children. Peta Attained a Bachelors of Nursing in 1989 From the Geelong Hospital School of Nursing. Peta is currently employed as a nurse for Barwon Health. Peta Hewitt Peta Hewitt (born 1966) is the Australian artist best known for her YouTube channel (in 2015) and her long running science-fantasy series "Terinu" (both in print and on-line) (in 1996) for which she is both