Write the Word or Phrase That Best Completes Each Statement

Short Answer

Write the word or phrase that best completes each statement or answers the question.
-Bob, the incredible shrinking man, loses half of his height each day after he was exposed to a mysterious form of
cosmic radiation. How many days before he is literally "knee-high to a grasshopper"? Assume that a
grasshopper's knee is 4 millimeters high and that Bob is 2 meters tall. Round your answer to the nearest whole
day. (1000 millimeters = 1 meter)