JAMB - Mathematics (1982 - No. 27)
The diameter of a metal rod is measured as 23.40 cm to four significant figures. What is the maximum error in the measurement?
0.05cm
0.5cm
0.045cm
0.005cm
0.004cm
解释
Maximum error in measurement to 2 decimal places
Maximum error = \(\frac{1}{2}\) x 0.001
= 0.005
Maximum error = \(\frac{1}{2}\) x 0.001
= 0.005