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Class VI
Class VII
Class VIII
Class IX
Class X
CBSE Grade VIII - Exponents and Powers
Question
1
1.
[
-3
]
5/2
(
-8
9
)
=
(
-15/2
)
(
-8
9
)
-8
(
-8
9
)
(
-15/2
)
(
-10
9
)
(
-29/4
)
(
-8
9
)
(
-15/2
)
(
-2
3
)
Question
2
2.
The value of
-2
(
-3
2
)
✕
-3
(
1
2
)
34
9
32
7
10
3
32
9
2
(
32
9
)
Question
3
3.
The value of
2
(
4
3
)
−
3
(
5
3
)
(
-25
9
)
(
-77
25
)
2
(
-77
27
)
(
-79
27
)
(
-77
27
)
Question
4
4.
7
-4
=
4
(
1
7
)
4
(
-1
7
)
5
(
1
7
)
3
(
1
7
)
4
(
3
7
)
Question
5
5.
5
9
5
7
=
5
5
3
3
2
8
2
5
2
Question
6
6.
Expand the following base power
(-4)
5
-1024
256
4096
-32
-7776
Question
7
7.
The value of
3
(
1
3
)
✕
2
(
1
2
)
108
-2
105
-1
110
-1
109
-1
108
-1
Question
8
8.
Simplify
(
2
a
.
9
(
a
−
4
)
.
16
(
a
−
4
)
4
(
a
−
4
)
.
3
(
a
−
4
)
.
4
(
a
−
2
)
)
2
(
a
+
4
)
.
3
(
−
a
+
4
)
.
4
(
−
a
)
2
(
−
a
+
8
)
.
3
(
−
a
+
4
)
.
4
(
−
a
)
2
(
−
a
+
8
)
.
3
(
a
−
4
)
.
4
(
a
−
6
)
2
4
.
3
0
.
4
(
−
2
)
Question
9
9.
(
5
2
✕
(
-9
5
)
)
6/5
=
(
6/5
)
(
5
2
)
✕
(
6/7
)
(
-9
5
)
(
6/5
)
(
5
2
)
✕
(
6/5
)
(
-7
5
)
(
6/5
)
(
5
2
)
✕
(
6/5
)
(
-9
5
)
(
6/5
)
(
5
2
)
✕
(
6/5
)
(
-11
5
)
(
6/5
)
(
5
2
)
✕
2
(
-9
5
)
Question
10
10.
Simplify the expression
(-2)
6
✕
(-2)
6
1
(-2)
11
(-2)
13
(-5)
12
(-2)
12
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