Answer:

zeros

AnswerCrossword Clue
ZEROSMost of a googol
ZEROSGoose eggs
ZEROSThere are six in a million
ZEROSTotal failures
ZEROSRound numbers
ZEROSBinary system digits
ZEROSThey mean nothing
ZEROS"Tora! Tora! Tora!" planes
ZEROSGoogol's hundred
ZEROSPlanes in "Tora! Tora! Tora!"
ZEROSA googol has a hundred
ZEROSThere are three per thousand
ZEROSMost of 1,000,000
ZEROSRound numbers?
ZEROSKamikaze attack planes
ZEROSJapanese fighter planes of yore
ZEROS"2001" characters?
ZEROSReal nobodies
ZEROSJapanese planes
ZEROSThre are two in a hundred
ZEROSThey end round numbers
ZEROSPlenty of nothing
ZEROSSome goose eggs
ZEROSNonentities
ZEROS"Goose eggs"
ZEROS"1001 Arabian Nights" characters
ZEROSNaughts
ZEROSPearl Harbor planes
ZEROSMitsubishi S-00s.
ZEROSMitsubishis.
ZEROSQuarry of the Flying Tigers.
ZEROSGoose eggs.
ZEROSJapanese planes in World War II.
ZEROSLowest degrees.
ZEROSSymbols of nothing.
ZEROSLowest points.
ZEROS0000.
ZEROSNaught and nought.
ZEROSA quintillion has 18 of these.
ZEROSScoreboard entries.