Add (9.3x10^3) + (9.3x10^4) + (0.011x10^6) using correct significant figures?

Question

Thank You!

Answer 1

you have two sig figs

9.3*10^3 = .93*10^4
.011*10^6 = 1.1*10^4

.93+9.3+1.1 = 11.43, so 11*10^4