Respuesta :

The answer is 3x⁵.

The volume of the box is:
V = length * width * height

Let:
length = x
width = 3x
height = x³

V = x * 3x * x³
V = 3x² * x³
V = 3x²⁺³
V = 3x⁵

Answer:

3x^5

Step-by-step explanation:

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