density, mass and volume help?

P

Peter Pan

New member
The density of a material can be found by dividing its mass by its
volume. This can be expressed as d = m/v, where:
d is the density in kg/m3
m is the mass in kg
v is the volume in m3.
If copper has a density of 8950 kg/m3, what is the volume of a piece of
copper with a mass of 125.21 kg? I need to know the answer to two decimal
places and expressed in scientific notation.
Please any help will be fantastic.
Regards
Peter
 
density is mass over volume, so volume is mass divided by density.
125.21/8950 = 0.01399 M3 = 1.40 x 10^-2 M3
That's 14,000 cm3 or 1.4 x 10^4 cm3
 
Back
Top