Question

18*2 over 9squared * 1 over 2 cubed

Answer 1

do you mean : ((18*2)/sqrt(9))*1/(2^2)
If so the result is 3

Answer 2

\[(18 \times 2) / 9^2 \times(1/2^3)\]
=\[36/ 81 \times1/8\]
=\[1/18\]

Answer 3

18*2 1 9*2*2*1 1
----- * ------ = ---------- = ----- = 1/18
9*9 2*2*2 9*9*2*2*2 9*2