The number of significant digits in the measurement of the side of a square whose computed area is $1.1025$ square inches to 
the nearest ten-thousandth of a square inch is: 
$\textbf{(A)}\ 2 \qquad \textbf{(B)}\ 3 \qquad \textbf{(C)}\ 4 \qquad \textbf{(D)}\ 5 \qquad \textbf{(E)}\ 1$
There are 5 significant digits, $1$, $1$, $0$, $2$, and $5$. The answer is $\boxed{D}$