You would need to go in the order of pemdas
For me personally i can work nearly any equation with a calculator. definitely a good choice <span />
Answer:
~15 meters away
Step-by-step explanation:
c^2 = a^2+b^2
c^2 = 10^2+11^2
c^2 = 100+121
c^2 = 221
c = 
c = ~15
It's just a^3...
You can check to see if this's right