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

[EX Q]: Most annual plants require at least _ week from seed germination until bloom.
[EX A]: ten

[EX Q]: Dashes are _ times the length of dots.
[EX A]: three

[EX Q]: Narwhals have just _ teeth, both in the upper jaw.
[EX A]:
two