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SSC Board Practice
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Class VI
Class VII
Class VIII
Class IX
Class X
SSC Grade VIII - Exponents and Powers
Question
1
1.
(
-5
✕
-7
✕
6
)
3
=
(-5)
3
✕
(-7)
3
✕
6
3
(-5)
3
✕
(-7)
4
✕
6
4
(-5)
3
✕
(-7)
2
✕
6
2
(-5)
3
✕
(-10)
3
✕
4
3
(-5)
3
✕
(-5)
3
✕
9
3
Question
2
2.
[
(
3/2
)
]
5/4
(
4
3
)
=
(
15
8
)
2
(
15/8
)
(
2
3
)
(
15/8
)
(
4
3
)
(
17/10
)
(
4
3
)
(
13/6
)
(
4
3
)
Question
3
3.
Simplify
4
2
✕
(-5)
2
✕
(-2)
2
✕
5
-2
(-2)
2
✕
2
-2
✕
4
2
✕
2
2
-1
3
0
2
1
Question
4
4.
Simplify the expression
7
5
✕
7
7
7
13
4
12
7
11
10
12
7
12
Question
5
5.
Simplify the expression
6
(
-5
3
)
✕
6
(
-5
7
)
✕
6
(
-9
8
)
7
(
-75
56
)
5
(
-75
56
)
6
(
-73
56
)
6
(
-75
56
)
6
(
-11
8
)
Question
6
6.
Simplify
6
-1
+
9
0
+
5
1
+
2
-1
6
8
20
3
22
3
32
5
Question
7
7.
Write the given number in usual form
-4.377894
✕
10
7
-437789400
-43778940
-4377894000
-4377894
-437789.40000000002328
Question
8
8.
If
m
v
=
n
w
=
o
x
=
p
y
and
m
n
=
o
p
, then
w
x
=
v
y
w
v
=
x
y
1
w
+
1
v
=
1
x
+
1
y
1
w
+
1
x
=
1
v
+
1
y
1
w
+
1
y
=
1
x
+
1
v
Question
9
9.
(
-6
✕
7
✕
5
)
9/7
=
(
9
7
)
(-6)
✕
(
9
7
)
7
✕
(
9
7
)
5
(
9
7
)
(-6)
✕
(
9
7
)
10
✕
(
9
7
)
8
(
9
7
)
(-6)
✕
(
9
7
)
4
✕
(
9
7
)
2
(
9
7
)
(-6)
✕
7
✕
5
(
9
7
)
(-6)
✕
(
9
5
)
7
✕
(
9
5
)
5
Question
10
10.
Expand the following base power
2
(
1
3
)
1
27
1
9
1
3
1
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