MJ22 P23 Q1 Percentage Uncertainty of Density | May/June 2022 | Cambridge A Level 9702 Physics

9702/23/M/J/22: A solid metal sphere has a diameter of (3.42 ± 0.02) cm and a mass of (67 ± 2) g.
(a) Calculate the density, in g cm-3, of the metal.
(b) Determine the percentage uncertainty in the density.
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While taking the readings when doing practical Physics experiment, if we get values in a descending order like from large to small so do we have to values following the same trend from large to small on the graph or will they always be plotted from small to large in every scenario?

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