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

[EX Q]: Uncontrolled diabetes can increase risk by up to _ times.
[EX A]: four

[EX Q]: Some species bear living offspring only every _ to five years.
[EX A]: three

[EX Q]: Argentine ants are able to establish new colonies with as little as _ worker ants and one queen.
[EX A]:
ten