One component of a metal sculpture consists of a solid cube with an edge of lenth 29.cm. The alloy used to make the cube has density of 7210 kg/m^3. Find the cube's mass

Question

I have been given a formula but I calculated wrong

Answer 1

Given the density, we can find the mass once we know the volume. So, let's find the volume of the cube.

Volume of a cube = L x W x H = 29 cm x 29 cm x 29 cm = 24,389 cm³

Converting this to m³ we have ... 24,389 cm³ x 1 m³ / 1x10⁶ cm³ = 0.024389 m³

Now use the density to convert this volume to mass in kg

0.024389 m³ x 7210 kg / m³ = 175.8 kg

To use correct sig. figs. you would report this as 180 kg