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Q.

If the length of the edge of the cube is 8dm and 5cm, then the volume of the cube is ____


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Detailed Solution

If the length of the edge of the cube is 8dm and 5cm, then the volume of the cube is 614125c m 3  .
Given that the length of the edge of the cube, a=8dm 5cm  .
Convert the given length of the cube in cm.
Length of the edge of the cube,
a=8×10cm+5cm  
a=80cm+5cm   a=85cm  
We know that the volume of cube, V= a 3  .
Substituting the value of a=85cm  in above formula and simplifying it,
V= (85cm) 3  
V=614125c m 3  
Therefore, if the length of the edge of the cube is 8dm 5cm, then the volume of the cube is 614125c m 3  .
 
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If the length of the edge of the cube is 8dm and 5cm, then the volume of the cube is ____