In this task, find the most appropriate number to replace the blank (indicated with _ ) and express it in words.

[EX Q]: Mountain sheep have _ sharp teeth at the front of the mouth.
[EX A]: eight

[EX Q]: Domestic violence occurs in one in _ families in Australia.
[EX A]: four

[EX Q]: Rockets have about _ seconds of fuel and follow ballistic paths after the fuel is exhausted.
[EX A]:
ten