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Class VI
Class VII
Class VIII
Class IX
Class X
SSC Grade VII - Exponents
Question
1
1.
Simplify the expression
-6
(
-7
2
)
✕
-6
(
-6
7
)
✕
(-6)
-6
(-20)
-6
(-16)
-6
(-18)
-6
(-18)
-7
(-18)
-5
Question
2
2.
Simplify
(-4)
2
✕
5
2
✕
2
-2
✕
(-3)
-2
(-5)
2
✕
(-2)
-2
✕
2
-2
✕
4
2
2
3
-1
(
2
3
)
3
(
2
3
)
2
(
2
3
)
2
(
4
3
)
Question
3
3.
If
e
w
=
f
,
f
x
=
g
and
g
y
=
e
, then
w
x
y
=
0
(
e
+
f
+
g
)
e
f
g
1
-1
Question
4
4.
[
6
-4
]
5
=
4
-20
9
-20
6
-20
6
-19
6
-21
Question
5
5.
Simplify
(-2)
3
✕
2
3
✕
4
3
(-4)
3
✕
2
3
✕
2
3
✕
2
2
2
-4
2
-3
2
-2
5
-2
2
-1
Question
6
6.
If
1024
2
v
=
256
(
2
v
+
1
)
, find
v
(-1)
1
5
2
3
Question
7
7.
Find the value of
(
5/4
)
(
625
81
)
3125
243
625
49
3127
243
347
27
3125
241
Question
8
8.
Find the exponential notation of
7
20
6
2
2
✕
5
7
2
2
2
✕
5
7
5
2
✕
5
7
2
2
✕
5
7
2
2
✕
3
Question
9
9.
Simplify the expression
(
7
3
)
(-2)
✕
(
7
3
)
(-2)
✕
(
9
8
)
(-2)
(
149
26
)
(-2)
(
47
8
)
(-2)
(
129
22
)
(-2)
(
139
24
)
(-4)
(
139
24
)
(-2)
Question
10
10.
[
2
]
5
(
-7
5
)
=
10
(
-7
5
)
11
(
-7
5
)
(-1)
10
10
(
-9
5
)
9
(
-7
5
)
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