SOLUTION: What would be the density of a block of wood which weighs 750kg and has the dimensions 25cm x 0.10m x 50.0m?

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Question 119959: What would be the density of a block of wood which weighs 750kg and has the dimensions 25cm x 0.10m x 50.0m?
Found 2 solutions by checkley71, josmiceli:
Answer by checkley71(8403) About Me  (Show Source):
You can put this solution on YOUR website!
.25*.1*50=1250 meters^3
750/1250=.6kg/m^3 answer.

Answer by josmiceli(19441) About Me  (Show Source):
You can put this solution on YOUR website!
First, express the volume in the same units (cm3 or m3)
I will convert the meters to centimeters
(.1 m)(100 cm/m) = 10 cm
and
(50m)(100 cm/m) = 5000 cm
Call the volume of the block V
V+=+25%2A10%2A5000 cm3
V+=+1.25%2A10%5E6cm3
Call the density D
The definition of density is D = mass/volume
D+=+750+%2F+%281.25%2A10%5E6%29 kg/cm3
D+=+%28750%2A10%5E%28-6%29%29+%2F+1.25 kg/cm3
D+=+600%2A10%5E%28-6%29 kg/cm3
D+=+6%2A10%5E2+%2A10%5E%28-6%29kg/cm3
It might be more convienent to express this as grams/cm3
D+=+6%2A10%5E2+%2A10%5E%28-6%29kg/cm3 x 1000g/kg
D+=+6%2A10%5E5+%2A+10%5E%28-6%29 g/cm3
D+=+.6g/cm3 answer