step 3
Replacing m with 3 we get
f(x)= 3×3=9 (First, square 3 to get 9)
9×9=81 (Then square 9 to get 81)
81×81=6,561 (Then square 81 to get 6,561)
6,561×6,561=43,046,721 (Finally square 6,561 to get 43,046,721)
33 requires 2 multiplication operations as shown below
3×3×3=27