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Class VI
Class VII
Class VIII
Class IX
Class X
CBSE Grade VIII - Exponents and Powers
Question
1
1.
The value of
-3
(
1
3
)
÷
-3
(
-1
2
)
(
-9
2
)
(
-29
8
)
(
-27
8
)
(
-25
8
)
2
(
-27
8
)
Question
2
2.
The value of
3
2
−
(-5)
3
134
2
136
134
133
131
Question
3
3.
-1
5
=
0
∞
1
undefined
-1
Question
4
4.
[
-3
]
3/2
(
-2
7
)
=
-5
(
-2
7
)
(
-17/4
)
(
-2
7
)
(
-9/2
)
(
-2
7
)
(
-9/2
)
(
-4
7
)
(
-7/2
)
(
-2
7
)
Question
5
5.
Simplify the expression
9
(
8
5
)
✕
3
9
✕
6
9
9
(
146
5
)
9
(
144
5
)
9
(
142
5
)
8
(
144
5
)
10
(
144
5
)
Question
6
6.
Simplify the expression
(-2)
2
✕
(-2)
3
1
(-2)
4
(-5)
5
(-2)
6
(-2)
5
Question
7
7.
The value of
-3
(
-3
2
)
✕
-2
(
1
2
)
2
(
-32
27
)
(
-34
27
)
(
-32
27
)
(
-32
25
)
(
-10
9
)
Question
8
8.
Represent the given large number in standard form
-649958000
✕
10
3
-6.49958
✕
10
9
-6.49958
✕
10
13
-6.49958
✕
10
12
-6.49958
✕
10
10
-6.49958
✕
10
11
Question
9
9.
(
2
9
✕
6
7
)
3
=
2
27
✕
6
7
2
9
✕
6
21
2
21
✕
6
27
2
27
✕
6
21
2
9
✕
6
7
Question
10
10.
Represent the given large number in standard form
7325470000
✕
10
4
7.32547
✕
10
11
7.32547
✕
10
13
7.32547
✕
10
15
7.32547
✕
10
14
7.32547
✕
10
12
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