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
Tera Moody to drop out. Tera suffered an injury to her hamstrings in November. Moody returned to the racing at 2013 Houston Marathon after 18 months buildup following a knee injury to finish 6th place in 2:39.10 and was the top American woman. Tera Moody competed in her 6th Chicago Marathon in 2016. Tera Moody Tera Moody (born December 18, 1980) is a retired American athlete, who competes in the marathon and other long distance running events. Moody represented the United States at the 2009 World Championships in the marathon. Moody has had insomnia since sixth grade. In 2005, she was diagnosed