Question

Which of the following measurements is most precise?

• A. $5.00\text{m}$
• B. $5.00\text{cm}$
• C. $5.00\text{km}$
• D. $5.00\text{mm}$

Answer 1

The correct option is D $5.00\text{mm}$

Smallest the unit more precise is the measurement. So, $5.00\text{mm}$ is smallest among all given measurements. Hence, $\left(A\right)$ is correct answer.