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Class VI
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Class IX
Class X
CBSE Grade VIII - Exponents and Powers
Question
1
1.
Expand the following base power
5
(
-5
3
)
625
81
(
-16807
243
)
(
-3125
243
)
15625
729
-1
Question
2
2.
Write the given number in usual form
5.975318
✕
10
12
5975318000000
59753180000
59753180000000
597531800000
597531800000000
Question
3
3.
Simplify the expression
2
3
✕
2
3
2
4
5
6
2
5
2
7
2
6
Question
4
4.
(
-4
✕
-4
✕
-4
)
-2
=
(-4)
-2
✕
(-6)
-2
✕
(-6)
-2
(-4)
-2
✕
(-4)
-3
✕
(-4)
-3
(-4)
-2
✕
(-4)
-1
✕
(-4)
-1
(-4)
-2
✕
(-4)
-2
✕
(-4)
-2
(-4)
-2
✕
(-1)
-2
✕
(-2)
-2
Question
5
5.
The value of
-2
(
1
2
)
+
-3
(
-4
3
)
227
64
231
64
229
64
2
(
229
64
)
229
62
Question
6
6.
Expand the following base power
-3
(
4
5
)
625
256
25
16
125
64
125
216
125
8
Question
7
7.
Simplify the expression
6
5
✕
6
7
8
12
6
11
6
12
6
13
4
12
Question
8
8.
Simplify the expression
(-6)
3
✕
(-5)
3
✕
(-3)
3
(-88)
3
(-90)
2
(-92)
3
(-90)
4
(-90)
3
Question
9
9.
-7
(
6
5
)
3
(
6
5
)
=
-10
(
4
5
)
-10
(
6
5
)
-11
(
6
5
)
-9
(
6
5
)
-10
(
8
5
)
Question
10
10.
Write the given number in usual form
-7.943528
✕
10
-4
-0.07943528
-0.007943528
-0.0007943528
-0.000007943528
-0.00007943528
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