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ScotlandApplications of MathematicsQuick questions

Mathematical Modelling

Quick questions on Units, accuracy and tolerance - SQA Higher Applications of Maths

3short 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 q1?
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Convert 2.52.5 litres to millilitres, and a speed of 7272 km/h to metres per second. [2 marks]
What is q2?
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A component is specified as 25±0.625 \pm 0.6 mm. State the acceptable range and decide whether 24.324.3 mm passes. [3 marks]
What is q3?
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A model predicts 340340 but the true value is 325325. Find the percentage error. [2 marks]

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