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| style="height:20px; width:200px; text-align:center;" |'''5000[[kg]] of [[Iron]] has a [[Volume (Space)|volume]] of 0.635m<sup>3</sup>. Calculate the density of [[Iron]].'''
| style="height:20px; width:200px; text-align:center;" |'''A 50,000cm<sup>3</sup> container of [[water]] is full with a 50[[kg]] [[mass]] of [[water]]. Calculate the density of [[water]].'''
| style="height:20px; width:200px; text-align:center;" |'''A 200,000cm<sup>3</sup> [[Volume (Space)|volume]] of [[air]] has a [[mass]] of 245[[g]]. Calculate the density of [[air]].
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| style="height:20px; width:300px; text-align:center;" |5000[[kg]] of [[Iron]] has a [[Volume (Space)|volume]] of 0.635m<sup>3</sup>. Calculate the density of [[Iron]] correct to two [[Significant Figures|significant figures]].'''| style="height:20px; width:300px; text-align:center;" |A 200,000cm<sup>3</sup> [[Volume (Space)|volume]] of [[air]] has a [[mass]] of 245[[g]]. Calculate the density of [[air]] correct to two [[Significant Figures|significant figures]].
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| style="height:20px; width:300px; text-align:left;" |'''1. State the known quantities in [[SI Unit]]s'''