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 "Hepta" never received official sanction and is obsolete.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 Janossi Peta Janossi Peta Janossi is a fictional character in the Australian soap opera "Home and Away", portrayed by Aleetza Wood, she debuted on the series on 27 May 1999 and departed on 14 July 2000. Peta is a local girl who seemingly blends into the background until she is given a makeover by Hayley Smith (Bec Cartwright). She begins a relationship with Will Smith (Zac Drayson) but it does not last. Peta is discovered to be living with her brother David (Philip Edwards) and invents a cover story in which a homeless woman, Annie Matthews (Carole Skinner) poses as Peta's