（b）Fig． 1.1 shows a cuboidal glass block． Fig． 1.1 （not to scale） A student measures the mass $$\(m\)$$ of the block and the side lengths $$\(x, y\)$$ and $$\(z\)$$ ．The measurements are shown in Table 1．1． Table 1.1 (i) Determine the density of the glass. density $$\(=\)$$ .......................................... $$\(\mathrm{kgm}^{-3}\)$$ (ii) Calculate the percentage uncertainty in the density. percentage uncertainty $$\(=\)$$ .................................................. \%

Answer:

Knowledge points:

Solution: