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# In the following experiment, find the value of the density in g cm$^{-3}$ up to the appropriate significant figures, stating the uncertainty in the value of the density.

While calculating the density of a rectangular block, a student makes the following observations:

Mass of the block (m) = 39.3 g

Length of the block (l) = 5.12 cm

Breadth of the block (b) = 2.56 cm

Thickness of the block (t) = 0.37 cm

The uncertainty of measurement of m is $\pm$ 0.1g, and in the measurement of l, b and t it is $\pm$ 0.01 cm.