Unit Conversion, SM-Bank 023

By considering the dimensions of a square with an area of 1 square kilometre, complete the unit conversion equation below:

1 km² = ________ m × ________ m = ______________ km² (1 mark)

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The Barangaroo precinct in Sydney has a total floor space of 681 000 square metres.
Find the area of this floor space in square kilometres. (1 mark)

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a. \(1\ \text{km}^{2} = 1000\ \text{m}\ \times\ 1000\ \text{m}\ = 1\ 000\ 000\ \text{km}^{2} \)

b. \(0.681\ \text{km}^{2}\)

Show Worked Solution

a. \(1\ \text{km}^{2} = 1000\ \text{m}\ \times\ 1000\ \text{m}\ = 1\ 000\ 000\ \text{km}^{2} \)

b. \(\text{Area}\)	\(= \dfrac{681\ 000}{1\ 000\ 000}\)
	\(=0.681\ \text{km}^{2}\)