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# Calculating Density: Rectangular Metal Bar & Significance

**Chapter 1, Problem 1.56**

(choose chapter or problem)

**QUESTION:**

In determining the density of a rectangular metal bar. a student made the following measurements: length, 8.53 cm; width, 2.4 cm; height, 1.0 cm; mass, 52.7064 g. Calculate the density of the metal to the correct number of significant figures.

### Questions & Answers

**QUESTION:**

In determining the density of a rectangular metal bar. a student made the following measurements: length, 8.53 cm; width, 2.4 cm; height, 1.0 cm; mass, 52.7064 g. Calculate the density of the metal to the correct number of significant figures.

**ANSWER:**

Step 1 of 2

Here we have to calculate the density of the metal to the correct number of significant figures.

Given:

Length of the rectangular metal bar = 8.53 cm

Width = 2.4 cm

Height = 1.0 cm

Mass = 52.7064 g

It is known that density = \(\frac{\text { mass }}{\text { volume }}\)

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##### Calculating Density: Rectangular Metal Bar & Significance

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Learn the process of determining the density of a rectangular metal bar using its measurements. Understand how volume and mass play a crucial role in the calculation, and the importance of representing results with the correct number of significant figures