The answer to the mathematical operation shown below is expressed with the correct number of significant figures. Using complete sentence$($s$),$ explain why the answer has $5$ significant figures.

$\frac{3211}{321}+\frac{117\mathrm{.}87}{0\mathrm{.}11999}+\frac{0\mathrm{.}953}{0\mathrm{.}11}=1001\mathrm{.}0$