The diameter of a metal rod is measured as 23.40 cm to four significant figures. What is the maximum error in the measurement?
-
A.
0.05cm -
B.
0.5cm -
C.
0.045cm -
D.
0.005cm -
E.
0.004cm
Correct Answer: Option D
Explanation
Maximum error in measurement to 2 decimal places
Maximum error = (frac{1}{2}) x 0.001
= 0.005