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NSWMaths Standard 2Quick questions

Year 11: Measurement

Quick questions on Units and unit conversion for HSC Maths Standard 2

2short Q&A pairs drawn directly from our worked dot-point answer. For full context and worked exam questions, read the parent dot-point page.

What is volume?
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Volume is a length multiplied by a length multiplied by a length, so converting the units cubes the factor. Since 11 m =100= 100 cm,
What are compound units?
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A compound unit combines two units. Speed is the one NESA examines: kilometres per hour and metres per second. To convert a speed you convert the distance unit and the time unit. Going from km/h to m/s, turn kilometres into metres (×1000\times 1000) and hours into seconds (÷3600\div 3600, since 11 hour =60×60=3600= 60 \times 60 = 3600 seconds):

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