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Intermediate June 2023 Unit 2 Q14

WJECIntermediateCurrent spec6 marksProperties of NumbersRoundingUsing a Calculator / BIDMAS

14.

(a) Evaluate \(\dfrac{\sqrt[3]{154}}{7{\cdot}9 - 3{\cdot}26}\).

Give your answer correct to 2 significant figures. [2]

(b) Calculate the reciprocal of 23.
Give your answer correct to 3 decimal places. [2]
(c) Circle the correct answer for each of the following.
(i) The Lowest Common Multiple (LCM) of 4 and 6 is:

2    4    6    12    24

[1]

(ii) The Highest Common Factor (HCF) of 10 and 15 is:

5    10    15    30    150

[1]

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