## Exam-Style Question on Approximation## A mathematics exam-style question with a worked solution that can be revealed gradually |

Question id: 224. This question is similar to one that appeared on a GCSE Higher paper (specimen) for 2017. The use of a calculator is allowed.

(a) Use your calculator to evaluate the following expression to five significant figures.

$$\sqrt[3]{8005} + \sqrt{98.5} \div 5.02$$(b) Show how, by using approximations, your answer to part (a) is reasonable.

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