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 "Hepta" never received official sanction and is obsolete.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 Lily Voo, Acrojou and John-Paul Zaccarrini. Lily was mentored by April de Angelis and wrote the full-length play "Blame" (1994), which was short-listed for the Verity Bargate Award. Her play "The Porter’s Daughter" (a below stairs, women’s eye view of the events in Shakespeare’s Macbeth), was produced at the Cockpit Theatre, and on a UK and Germany tour, and she was commissioned by the Unity Theatre, Liverpool, to write and direct "Random Oracle" (2001). The dynamic poems included the script of "Chastity Belt" are currently being developed into a book of verse. Peta Lily Peta Lily (born Peta Wilhelmina Gottschalk) is