Answer:
the answer is provided down below
Explanation:
steps
9 - ( 1 3 x 3 x3)
36 - (3 x 2 x2x3)
81 -( 3 x 3 x 3 x 3)
144 - ( 2 x 3 x 3 x 2 x 2 x 2 x 2)
225 - ( 5 x 5 x 3 x 3)
576 -( 2 x 2 x 2 x 2 x 2 x 2 x 3 x3)
625 - ( 5 x 5 x 5 x5 )
2401 - ( 7 x 7 x 7 x 7)