Problem:
An error of is made in the measurement of a line long, while an error of only is made in a measurement of a line long. In comparison with the relative error of the first measurement, the relative error of the second measurement is:
Answer Choices:
A. greater by
B. the same
C. less
D. times as great
E. correctly described by both and
Solution:
Relative error error/measurement. Since , the relative errors are the same.
Answer: .