Answer: 1000 in.
Step-by-step explanation:
Given
The dimension of the small cube is [tex]1\ in.[/tex]
No of the cubes is [tex]10^6[/tex]
If the small cubes are arranged on the floor
The area of the cubes is
[tex]\Rightarrow 10^6\times 1^2\ in.^2[/tex]
Suppose the side length of a large cube is a
[tex]\therefore a^2=10^6\times 1^2\\\\\Rightarrow a=1000\ in.[/tex]
