<h2>
Answer:</h2>
Length of the side of each small cube = 10cm
Area of the top surface of each small cube = 100cm²
<h2>
Step-by-step explanation:</h2>
Big cube volume = s³
Big cube volume = 30³
Big cube volume = 27000cm³
Small cube volume = 27000 / 27
Small cube volume = 1000cm³
Small cube length = ∛1000
Small cube length = 10cm
Area of the top surface of each small cube = s x s
Area of the top surface of each small cube = 10 x 10
Area of the top surface of each small cube = 100cm²
