Two significant figures means 2 digits after the decimal. 11.76 already has two digits so you don’t need to do anything. The answer is just 11.76cm2
Strong Acid: dissolves and dissociates 100% to produce protons (H+) 1. seven strong acids: HCl, HBr, HI, HNO3, H2SO4, HClO4, & HClO3 2. ... Weak Acid: dissolves but less than 100% dissociates to produce protons (H+) 1.
I think this is how you do it:
