Given a sentence, fill out the missing word with a 'no' or a number (between zero and ten). You should write the numbers with english alphabet, like: four instead of 4.

[Q]: Luminosity decreases by almost four orders of magnitude in approximately ____ million years.
[A]: five


[Q]: Deer mice have four toes on the forefeet and ____ toes on the hind feet.
[A]: five


[Q]: Common shiners are generally three to ____ inches long, but can grow as large as six inches.
[A]:
four