Question

Trevor is tiling his bathroom floor, which has an area that is represented as 120r3 square inches. Each tile has an area of (sqrt 16r^9).
The total number of tiles used can be represented by the expression below.
120r^3/sqrt 16r

Answer 1

isn't the tile area 16r? ( not 16r^9 )

Answer 2

16r^9

Answer 3

so whats the question??
The total number of tiles used can actually be represented by the expression
120r^3/sqrt 16r^9

Answer 4

i guess