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Foundation June 2017 Unit 1 Q18

WJECFoundationCurrent spec5 marksDecimalsRounding

18.

(a) Estimate the value of \(\dfrac{41{\cdot}3 \times 29{\cdot}6}{198{\cdot}7}\).
You must show all your working. [2]
(b) Given that  \(54 \times 84{\cdot}2 = 4546{\cdot}8\), write down the exact value of each of the following.
(i) \(540 \times 842 \;=\) …………… [1]
(ii) \(\dfrac{4546{\cdot}8}{5{\cdot}4} \;=\) …………… [1]
(iii) \(\dfrac{454{\cdot}68}{84{\cdot}2} \;=\) …………… [1]
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