Page 23 - ACE YR IGCSE A TOP APPR' TO MATHS
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4 Given that 8 × 4 = 1, find the value of a.
–3
a
[3]
2 1
5 Show all your working, simplify fully 8 3 + 27 3 .
1
196 2
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[4]
3 1 1
6 Evaluate √625 – 4913 .
2
3
[3]
3
2
7 Calculate 13 – √5 – 5 .
2
[3]
–1
8 Write your answer in index form ( √256 ) .
[3]
9 Write your answer in fraction.
4 – 3 2 × 2 3
2
3 3 √64
[3]
Cambridge IGCSE
TM
18 Ace Your Mathematics
Chapter 1A.indd 18 15/03/2022 10:27 AM
