This document contains math problems involving squares, square roots, cubes, and cube roots. The problems cover simplifying expressions with square and cube roots, calculating areas of geometric shapes, evaluating expressions, and performing other mathematical operations without a calculator.

1. . (a) 6.2
×
×
2.
(a) 0.9
2
(b)
1
–
2
2
= =
3.
(a) (–4.5)
2
(b)
1
2
2
= =
4.
(a) 47.5
2
(b) (–0.085)
2
5.
(a) 0.47
2
(b) 0.068
2
6.
1
2
2

2. .
7.
8.
9.
Given that 4.2
2
(a)42
2
(b) 4200
2
(c) 1.26
2
Squares, Square Roots,Cubes and Cube Roots
2
10
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10.
Find thesquarerootwithout using acalculator.
11.
2
.
12.
13.
correctto2decimal
places.(a)57.8(b)0.006= =
14.
–5
49=(b)
C D F G E B A
ABCD
and
AEFG
ABCD
is 144 cm
2
AEFG

3. is81 cm
2
15.
(a) 8.7 (b) –0.7= =
16.
Find thevalue without using acalculator.(a) (–5)
3
(b) 3.1
3
= =
17.
3
.
18.
3
.
11
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PenerbitanPelangi Sdn.Bhd.
19.
places.(a) 0.55
3
(b)
1
–
2
3
= =
20.
4.2cm

4. The diagramshowsacube-
21.
3
216(b)
3
0.343= =
22.
3
800.
23.
3
–140.
24.
3
–700.Give youranswercorrectto2decimalplaces.
25.
–3)
2
+
2
5
×
3
–
3