The temperature of $32^{\circ} C$ is equivalent to

Which one of the following is not a unit of pressure?

According to the significant figure convention, the result obtained by adding $12.11$, $18.0$, and $1.012$ is:

Convert the following into basic $SI$ units:
$(i)$ $28.7 \, pm$
$(ii)$ $15.15 \, pm$
$(iii)$ $25365 \, mg$

The dimensions of an aluminum block are $3.0 \, \text{inch} \times 4.0 \, \text{inch} \times 5.0 \, \text{inch}$. What is the mass of this block in grams? The density of aluminum is $2.7 \, \text{g/cm}^3$ and $1 \, \text{inch} = 2.54 \, \text{cm}$.

The number of significant figures in $0.00340$ is $......$