We have that the volume of sand is
v=2.55m^3
From the Question we are told that
A sandbox is
2.5 m wide
3.4 m long
0.3 m deep
Generally the equation for the volume is mathematically given as
[tex]v=l*b*d\\\\v=2.5*3.4*0.3\\\\v=2.55m^3[/tex]
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