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A student uses four different tape-measures to estimate the length of a ruler manufactured to be exactly 1 foot long. Which measurement is most accurate?

A. 12.005 in
B. 12 in
C. 10 in
D. 11.5 in

2 Answers

2 votes
B. 12 in i’m pretty sure this is the answer :)
User Tekz
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B) 12 inches would be the most accurate measurement.

Since the ruler is exactly 1 foot long, the most accurate measurement is 12 inches. 12.005 is a tempting answer, since it is the most specific/exact, but 12 inches is the most accurate, since this is equal to exactly one foot.
User Josh Earl
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