Multiply or divide the following measurements. Be sure each answer you enter contains the correct number of significant digits.

$20\mathrm{.}947\frac{g}{mL}35.mL=g$

$20\mathrm{.}947cm33.cm=c{m}^2$

$258\mathrm{.}54g67\mathrm{.}09mL=\frac{g}{mL}$