Could anyone help me answer this question
I got 36 and this was my working out:
7 + 1/9 = 64/9
10 + 2/3 = 32/3
((64/9)^-1/2 × 32/3) ÷ 1/9 = 36
1 ÷(64/9)^1/2 = 3/8
10 2/3 = 32/3
(32/3) (3/8) = 4
3^-2 = 1/3^2 = 1/9
4 ÷ 1/9 = 36
Mathswatch isn't giving me any marks for it and I don't know why.