What is the concentration of sugar (${\mathrm{C}}_{12}{\mathrm{H}}_{22}{\mathrm{O}}_{11}$) in $\mathrm{mol} {\mathrm{L}}^{-1}$ if $20 \mathrm{g}$ are dissolved in enough water to make a final volume up to $2 \mathrm{L}$?

How many significant figures are present in the following?

$0.0025$

How many significant figures are present in the following?

$208$

How many significant figures are present in the following?

$5005$

How many significant figures are present in the following?

$126,000$

How many significant figures are present in the following?

$500.0$

How many significant figures are present in the following?

$2,0034$.

Round up the following up to three significant figures:

$34.216$.

Round up the following up to three significant figures:

$10.4107$.