In this task, find the most appropriate number to replace the blank (indicated with _ ) and express it in words.
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Question: Young groundhogs are weaned and ready to seek their own dens at _ to six weeks of age.

Answer: five


Question: Tensors have an associated rank from _ to infinity.

Answer: zero


Question: Stroke affects four out of _ families and is the third leading cause of death.

Answer:
five