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Class VI
Class VII
Class VIII
Class IX
Class X
ICSE Grade VII - Exponents
Question
1
1.
Expand the following base power
-3
(
5
4
)
64
125
64
343
16
25
64
27
256
625
Question
2
2.
(
s
(
7
w
+
6
)
s
w
)
=
s
(
6
w
+
6
)
s
(
−
4
w
−
10
)
s
(
8
w
+
6
)
s
(
6
w
+
7
)
s
(
10
w
2
+
5
w
−
16
)
Question
3
3.
Find the exponential notation of
(
-5
4
)
✕
(
-5
4
)
✕
(
-5
4
)
2
(
-5
4
)
3
(
-5
4
)
4
(
-5
4
)
3
(
-3
4
)
3
(
-7
4
)
Question
4
4.
Find the exponential notation of
(
-8
5
)
-1
✕
2
3
5
-1
✕
2
3
2
-2
✕
2
3
5
(-1)
2
✕
2
3
5
-1
✕
2
3
7
Question
5
5.
(
-4
1
✕
-3
1
)
-3
=
(-4)
-3
✕
(-5)
-3
(-4)
-3
✕
(-3)
-2
(-4)
-3
✕
(-3)
-4
(-4)
-3
✕
(-3)
-3
(-4)
-3
✕
(-3)
-1
Question
6
6.
(
q
17
q
)
3
=
3
q
51
q
q
51
q
q
17
q
q
(
17
q
+
3
)
Question
7
7.
15
i
4
j
3
k
4
=
15
✕
i
✕
i
✕
i
✕
i
✕
i
✕
j
✕
j
✕
j
✕
k
✕
k
✕
k
✕
k
13
✕
i
✕
i
✕
i
✕
i
✕
j
✕
j
✕
j
✕
k
✕
k
✕
k
✕
k
15
✕
i
✕
i
✕
i
✕
j
✕
j
✕
j
✕
k
✕
k
✕
k
✕
k
15
✕
i
✕
i
✕
i
✕
i
✕
j
✕
j
✕
j
✕
k
✕
k
✕
k
✕
k
18
✕
i
✕
i
✕
i
✕
i
✕
j
✕
j
✕
j
✕
k
✕
k
✕
k
✕
k
Question
8
8.
Expand the following base power
3
(
3
5
)
1
125
81
625
9
25
27
125
1
Question
9
9.
Find the prime factorization of
16
2
5
5
4
2
3
2
2
4
Question
10
10.
Simplify the expression
3
-6
✕
3
-6
3
-11
5
-12
3
-12
1
3
-13
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