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Class VI
Class VII
Class VIII
Class IX
Class X
CBSE Grade VIII - Exponents and Powers
Question
1
1.
Simplify
(-2)
2
✕
3
2
✕
2
-2
✕
4
2
(-5)
-2
✕
(-3)
2
✕
3
-2
✕
3
2
20
3
18
2
20
2
20
22
2
Question
2
2.
Simplify the expression
-2
(
7
4
)
✕
-2
(
5
2
)
✕
7
-2
-2
(
243
8
)
-2
(
245
8
)
-3
(
245
8
)
-2
(
247
8
)
-1
(
245
8
)
Question
3
3.
Simplify
(-5)
2
✕
(-3)
-2
5
-2
✕
(-2)
-2
2
(
52
3
)
2
(
50
3
)
50
3
3
(
50
3
)
16
2
Question
4
4.
Simplify the expression
9
(
-5
9
)
✕
9
(
-7
3
)
✕
9
(
-7
6
)
9
(
-3
2
)
9
(
-247
162
)
8
(
-245
162
)
9
(
-245
162
)
10
(
-245
162
)
Question
5
5.
Simplify the expression
(-7)
-6
✕
(-7)
-6
(-10)
-12
(-7)
-13
(-7)
-12
(-7)
-11
(-5)
-12
Question
6
6.
0
0
=
0
undefined
-1
∞
1
Question
7
7.
-6
0
=
-1
undefined
0
∞
1
Question
8
8.
The value of
(-4)
-2
✕
4
-3
1024
-2
1027
-1
1022
-1
1024
-1
1025
-1
Question
9
9.
The value of
5
-3
÷
(-3)
-2
3
41
7
125
9
125
2
(
9
125
)
11
125
Question
10
10.
Simplify the expression
(-5)
-2
✕
(-6)
-2
✕
(-5)
-2
(-153)
-2
(-150)
-1
(-150)
-2
(-150)
-3
(-148)
-2
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