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Class VI
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Class IX
Class X
ICSE Grade IX - Indices
Question
1
1.
The multiplicative inverse of
7
(
1
7
)
is
7
(
-1
7
)
-7
(
1
7
)
1
7
-7
0
Question
2
2.
(
f
4
f
3
)
5
=
f
7
f
3
5
f
5
f
5
f
4
Question
3
3.
Find the exponential notation of
128
15
2
7
3
✕
5
2
7
3
✕
3
2
8
3
✕
5
2
6
3
✕
5
2
7
3
✕
8
Question
4
4.
Expand the following base power
5
(
-1
4
)
1
1024
(
-1
1024
)
(
-243
1024
)
1
4096
1
256
Question
5
5.
If
3
m
=
27
, find
5
m
126
125
127
124
123
Question
6
6.
√
0.1600
=
0.6
0.04
0.4
0.3
0.5
Question
7
7.
3
√
2.7440
=
1.6
0.14
1.3
1.5
1.4
Question
8
8.
Find the square root of
e
2
f
14
9
g
12
e
2
f
7
3
g
6
e
f
14
3
g
6
e
f
7
3
g
6
e
f
7
3
g
12
e
2
f
14
3
g
12
Question
9
9.
Evaluate
(
e
1
3
+
f
1
3
)
(
e
2
3
−
e
1
3
f
1
3
+
f
2
3
)
=
e
−
f
(
e
+
f
)
2
e
+
f
0
(
e
−
f
)
2
Question
10
10.
Find the exponential notation of
25
2
5
3
2
5
2
2
-2
5
2
5
2
2
5
2
5
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