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
Peta Nocona politically inspired 1886 book of James T. Deshields. They also document the primary sources who verify that Peta Nacona was not at the scene of the massacre and died around 1865, not December 1860. Peta Nocona Peta Nocona (ca. 1820 -ca. 1864?) was a chief of the Comanche Quahadi band, who was the husband of Cynthia Ann Parker and the father of Quanah Parker. Peta Nocona was strictly linked to the Nokoni band, having taken his wife in this band. He led his tribe during the extensive Indian Wars in Texas since the late 1840s until the 1860s. He was