Question

If the relative density of an object is 3.9, then its density is​

Answer 1

Answer:

simplify ( 4 x square + 7 x -1 ) - ( X square + 8 x - 7 ) + ( X square + 10 )

Answer 2

Given :  relative density of an object is 3.9

To Find :  density

Solution:

relative density of an object   = Density of the object / Density of water

Density of water = 997 kg/m³  ≈ 1000 kg / m³

=  1  g / cm³

relative density of an object   = 3.9

=>   Density of the object = 3.9  g /cm³   or 3900 kg /m³

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