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.
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Question: Most orthoptists work ____ hours a day, four or five days a week.

Answer: eight


Question: Maps have ____ or more bar scales, each in a different unit of measure.

Answer: three


Question: Volume units are cubic units, since they are the result of multiplying ____ units of length.

Answer:
three