astarkey14
05.05.2020 •
Mathematics
Each edge of a wooden cube is 6 centimeters long. The cube has a density of 0.71 g/cm^3 .
What is the mass of the wooden cube?
Please help!
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Ответ:
The Mass of the wood is 153.36g
Step-by-step explanation:
This problem bothers on the density of substances, this time a wooden cube.
The density of substances is defined as the mass of the substance per unit volume
Given data
Sides of the cube =6cm
Density of cube =0.71g/cm³
We know that the density
ρ= m/v
But volume of cube =lxbxh
Hence volume of cube = 6*6*
: 216cm³
To solve for the mass of the cube let us substitute our data in the formula
0.71= m/216
m= 0.71*216
m= 153.36g
Ответ:
0.15
Step-by-step explanation:
Multiply 30 by 0.005 to get the number which is 0.15 in which 0.15 is 0.5% of 30.