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

[EX Q]: Electric vehicles have _ tailpipe emissions.
[EX A]: zero

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

[EX Q]: Finbacks become sexually mature at around _ to thirteen years old.
[EX A]:
ten