Question

Which of the following measurements is most accurate?

Answer 1

Answer (4)
Relative error in $10.4$ mm in $\frac{0.1\text{mm}}{10.4\text{mm}}=\frac{0.1}{10.4}$
Relative error in 10.4 cm in $=\frac{0.1}{10.4}$
Relative error in 10.4 km in $=\frac{0.1}{10.4}$
Relative error in 10.41 mm $=\frac{0.1}{10.4}$