Density of a material is equal to its mass divided
by it's volume. What is the density (in kg m-3) of
a rock of mass 1.8kg and volume 6x 10-4m3?
Answers
Answered by
1
Answer:
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Answered by
1
Answer:
3.0 × 10^3 kg/m^3
Explanation:
Density = mass/volume
= 1.80 kg/6.0×10^-4 m^3
= 3.0 × 10^3 kg/m^3
The answer should contain the least number of significant figures when multiplied or divided , so here 1.80 kg contains 3 significant figures and 6.0 × 10^-4 m^3 contains only 2 significant figures , so the answer should contain only 2 significant figures. Therefore the answer is 3.0 × 10^3 kg/m^3 .
3.0 × 10^3 kg/m^3
Explanation:
Density = mass/volume
= 1.80 kg/6.0×10^-4 m^3
= 3.0 × 10^3 kg/m^3
The answer should contain the least number of significant figures when multiplied or divided , so here 1.80 kg contains 3 significant figures and 6.0 × 10^-4 m^3 contains only 2 significant figures , so the answer should contain only 2 significant figures. Therefore the answer is 3.0 × 10^3 kg/m^3 .
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