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Class VI
Class VII
Class VIII
Class IX
Class X
CBSE Grade VIII - Exponents and Powers
Question
1
1.
Simplify the expression
6
8
✕
6
8
3
16
6
16
6
17
6
15
9
16
Question
2
2.
Simplify
(-4)
-2
✕
5
3
2
3
✕
(-4)
-2
2
(
5
2
)
3
(
5
2
)
4
(
5
2
)
3
(
7
2
)
3
(
3
2
)
Question
3
3.
The value of
3
(
-5
3
)
−
3
(
-5
2
)
791
72
2375
216
2
(
2375
216
)
2375
214
2377
216
Question
4
4.
The value of
-3
(
-1
2
)
÷
-2
(
2
3
)
2
(
-32
9
)
(
-34
9
)
(
-10
3
)
(
-32
9
)
(
-32
7
)
Question
5
5.
Represent the given large number in scientific form
-29260150000
-2.926015
✕
10
9
-2.926015
✕
10
10
-2.926015
✕
10
8
-2.926015
✕
10
11
-2.926015
✕
10
12
Question
6
6.
The value of
5
3
−
(-2)
3
133
2
135
133
130
132
Question
7
7.
Expand the following base power
(-2)
-3
1
16
(
-1
8
)
1
4
1
(
-1
64
)
Question
8
8.
Simplify the expression
(-2)
5
✕
(-2)
5
(-5)
10
(-2)
13
(-2)
11
(-2)
9
(-2)
10
Question
9
9.
(
(
-2
5
)
✕
(
-4
3
)
)
-7
=
-7
(
-2
5
)
✕
(-2)
-7
-7
(
-2
5
)
✕
-7
(
-4
3
)
-7
(
-2
5
)
✕
-8
(
-4
3
)
-7
(
-2
5
)
✕
-6
(
-4
3
)
-7
(
-2
5
)
✕
-7
(
-2
3
)
Question
10
10.
Simplify
2
-1
+
7
0
+
4
1
+
8
-1
35
6
11
2
43
8
45
8
47
8
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