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CBSE Grade VIII - Exponents and Powers
Question
1
1.
(
3
(-6)
)
2
✕
(
6
6
)
-2
✕
(
8
(-6)
)
-6
(
3
(-2)
)
5
✕
(
6
4
)
-4
✕
(
8
6
)
6
=
3
(-2)
✕
6
4
✕
1
3
(-1)
✕
6
4
✕
1
3
(-2)
✕
6
4
✕
1
3
(-2)
✕
6
5
✕
1
Question
2
2.
Expand the following base power
3
5
729
7776
243
81
1
Question
3
3.
The value of
(-3)
3
÷
4
3
(
-27
64
)
(
-27
62
)
2
(
-27
64
)
(
-25
64
)
(
-29
64
)
Question
4
4.
5
4
=
-4
(
3
5
)
-5
(
1
5
)
-3
(
1
5
)
-4
(
-1
5
)
-4
(
1
5
)
Question
5
5.
Simplify the expression
-4
(
8
3
)
✕
-4
(
8
3
)
✕
-4
(
8
3
)
-11
(
8
3
)
-13
(
8
3
)
2
-12
-12
(
8
3
)
-12
(
10
3
)
Question
6
6.
Simplify
(-5)
2
✕
(-5)
2
✕
(-5)
2
✕
(-3)
2
3
-2
✕
(-3)
-2
✕
2
-2
✕
(-3)
-2
20247
2
20250
3
20250
2
20250
20253
2
Question
7
7.
The value of
(-2)
2
−
(-5)
3
128
129
132
127
129
2
Question
8
8.
Write the given number in usual form
-8.448051
-8.448051
-84.48051
-0.8448051
-844.80509999999992
-0.08448051
Question
9
9.
Simplify the expression
5
-3
✕
5
-2
5
-4
5
-5
2
-5
7
-5
5
-6
Question
10
10.
-2
(
1
6
)
+
-3
(
1
6
)
+
-2
(
1
3
)
+
-3
(
1
3
)
=
287
288
289
286
290
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