As per given by the question,
There are given that,
[tex]11.31+33.264+4.1[/tex]Now,
Solve this equation with significant figures.
So,
[tex]11.31+33.264+4.1=48.674[/tex]The significant figures of the solution is,
[tex]\begin{gathered} 11.31+33.264+4.1=48.674 \\ =48.74 \end{gathered}[/tex]Hence, the value of the given equation is 48.74