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 NDI President Jerry Hirshberg, Blue Studio Chief Designer Allan Flowers and Doug Wilson. The EXA / Pulsar NX featured the "CA16DE" engine. In Australia, the Series 1 EXA (1986–1987) came with the CA16DE, vinyl rear seats, front vented disk with rear drum brakes, and power steering. The Series 2 EXA (1988–1989) featured the CA18DE and cloth rear seats. There were also two GP versions of the S2 EXA made. 45 white GP edition vehicles were specially made for the celebrity race at the Adelaide Grand Prix in 1988. They had all the features of the Series 2, but also had