$1 \, kg \, m^2 \, s^{-2}$ is equal to ...

$A$ student performs a titration with different burettes and finds titre values of $25.2 \ mL$,$25.25 \ mL$ and $25.0 \ mL$. The number of significant figures in the average titre value is

What would be the $SI$ unit for the quantity $\frac{p V^{2} T^{2}}{n}$?

$A$ piece of metal is $3 \, in$ long. What is its length in $cm$ (in $cm$)?

Significant figures in $0.00051$ are

The units nanometer and picometer are related as,