The density of a steel is 7.8.find the mass of steel cube of side 10 cm. find volume of steel if the mass is 8kg

Mass of the steel cube =  7800 kg

Volume of the steel  = 1.025 cubic centimetre

Explanation:

Given:

The density of the steel   =  7.8

Side of the cube = 12 cm

(1)The mass of steel cube :

We know that,

We are given with density and sides of the cube

then volume of the cube

=

=

= 1000 cubic centimetre

Now

mass =  7800 kg

(2)volume of steel:

Given the mass  = 8 kg

Substituting the values

volume = 1.025 cubic centimetre

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1/0.14nm = 10^10/1.4 a lot