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
Verified Correct Answer: D.
Step-by-Step Mathematical Solution
Maximum error in measurement to 2 decimal places
Maximum error = \(\frac{1}{2}\) x 0.001
= 0.005
Source: Myschool Past Questions Archive (Record #32531)