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

[Q]: Sea urchins have _ paired rows of tiny tube feet which are found amongst the spines.
[A]: five


[Q]: All Jovian planets have rings around their equators and at least _ moons.
[A]: eight


[Q]: Sterescopic devices create the illusion of _ dimension by doing just that.
[A]:
three