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Class VI
Class VII
Class VIII
Class IX
Class X
ICSE Grade VII - Exponents
Question
1
1.
Find the exponential notation of
1125
128
3
2
✕
5
3
2
7
3
2
✕
5
3
4
7
3
3
✕
5
3
2
7
3
2
✕
5
3
2
5
3
✕
5
3
2
7
Question
2
2.
Simplify the expression
(-4)
-5
✕
(-4)
-5
(-4)
-11
(-4)
-10
(-4)
-9
(-6)
-10
(-1)
-10
Question
3
3.
-8
(
-7
6
)
=
(-7)
-9
6
-8
(-7)
-8
3
-8
(-7)
-8
8
-8
(-7)
-7
6
-8
(-7)
-8
6
-8
Question
4
4.
(
1
8
n
o
p
)
✕
(
3
o
6
p
4
)
✕
(
−
5
6
p
8
)
=
−
5
16
n
o
7
p
13
25
12
o
14
p
16
−
5
16
n
o
15
p
9
3
8
n
o
7
p
5
25
288
p
13
n
o
9
Question
5
5.
(
4
g
3
.
2
h
(-2)
)
-3
=
g
6
512
h
(-9)
h
6
.
512
g
(-9)
4
h
6
2
g
(-9)
−
12
h
6
−
6
g
(-9)
h
6
512
g
9
Question
6
6.
Find the exponential notation of
(
-7
9
)
✕
(
-7
9
)
✕
(
-7
9
)
✕
(
-7
9
)
✕
(
-7
9
)
✕
(
-7
9
)
(-1)
6
6
(
-5
9
)
7
(
-7
9
)
5
(
-7
9
)
6
(
-7
9
)
Question
7
7.
Find the exponential notation of
8
25
2
4
5
2
2
3
5
2
2
2
5
2
2
3
7
2
2
3
2
2
Question
8
8.
[
-5
(
4
5
)
✕
-5
(
6
3
)
]
÷
[
5
(
5
4
)
✕
5
(
3
6
)
]
=
1
(-1)
6
3
0
4
5
Question
9
9.
If
64
(
2
n
+
1
)
=
1024
(
n
+
1
)
, find
n
1
2
0
3
4
Question
10
10.
−
5
r
4
.
−
8
r
6
=
40
r
24
−
13
r
10
40
r
10
10
r
40
−
13
r
24
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