My third question, I could use some help with this. I dont understand why my answer isnt correct. <3

Answer and Step-by-step explanation:
First, lets write down the volume of an equilateral triangular prism.
The volume of a triangular prism is as follows:
[tex]V = \frac{1}{2} * b * h * l[/tex]
Where:
b = base length (edge)
h = height
l = length.
[tex]V = \frac{1}{2} * 4*10*2\sqrt{3} = 40\sqrt{3} = 69.2820[/tex]
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