Zetta- the 6th letter of the modern and classical Greek alphabet, denotes a value of seven (7) when used as a numeral. Examples: 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
Nissan EXA front bumper. In 1991, Kodak had a competition for five fully optioned Series 3 Nissan EXAs. The Kodak EXAs featured an exclusive pearlescent yellow paint scheme. In 1988, a 1986 EXA was offered in a competition to win that had been used on stage for a Kylie Minogue concert, it was original a grey/white colour but was painted pink for the competition, this EXA still exists and lives in Queensland registered today. The North American Pulsar NX was offered in two trim levels: the XE (1.6-liter E16i in 1987–1988 and 1.6-liter GA16i in 1989–1990) and the twin-cam, SE (1.6-liter CA16DE