Answer: IOO

AnswerCrossword Clue
IOOC, to Cato
IOOSenate count
IOOYears in a century
IOOPerfect test paper marking
IOOSenate complement
IOOCelsius steam point
IOOBig bill
IOOCentennial number
IOO37-Across's age on May 29, 2003
IOOGrade A grade
IOOC
IOOEnviable test score
IOOC-note
IOO... to 1 (long shot)
IOOPerfect grade
IOOFive score
IOOPerfect score on a test
IOOKnick score, at times
IOODecimal number
IOOYellowstone's age, parkwise
IOORipe old age
IOOFive score.
IOOPerfect test score
IOOCentury representation
IOOC, in Arabic numerals
IOOCentury number
IOOGreat grade
IOOReport-card sparkler