Question

The block shown above has a mass of 105 g. What is the density of the block? SC.8.P.8.3

Answer 1

The density of the block is 1.25 cm³

The correct answer to the question is Option B. 1.25 cm³

To solve this question, we'll begin by calculating the volume of the block. This can be obtained as follow:

Length = 7 cm

Height = 4 cm

Width = 3 cm

Volume =?

Volume = Length × Width × Height

Volume = 7 × 3 × 4

Volume = 84 cm³

Thus, the volume of the block is 84 cm³

Finally, we shall determine the density of the block. This can be obtained as follow:

Density is defined as mass per unit volume i.e

$Density = \frac{mass}{volume}$

Mass of block = 105 g

Volume of block = 84 cm³

Density of block =?

$Density = \frac{mass}{volume}\\\\Density = \frac{105}{84}$

Density of block = 1.25 cm³

Therefore, the density of the block is 1.25 cm³.

Hence, Option B. 1.25 cm³ gives the correct answer to the question.

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