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Class VI
Class VII
Class VIII
Class IX
Class X
ICSE Grade VIII - Exponents
Question
1
1.
(
-3
8
)
(-2)
=
(
-1
2
)
(-2)
1
(
-3
10
)
(-2)
1
(
-3
8
)
(-2)
(
-3
8
)
4
(
-3
8
)
(-2)
1
(
-3
8
)
(-2)
(
-3
8
)
(-1)
Question
2
2.
-1
7
=
undefined
0
1
∞
-1
Question
3
3.
If
(
4
126
)
15
=
(
4
135
)
w
, find
w
17
14
12
15
13
Question
4
4.
Simplify the expression
2
-8
✕
7
-8
14
-7
14
-8
17
-8
14
-9
12
-8
Question
5
5.
If
49
✕
7
n
=
7
8
, find
n
8
7
4
6
5
Question
6
6.
Which of the following statements are true?
a)
a
0
=
1
(
a
≠
0)
b)
(
x
m
)
n
=
x
(
m
+
n
)
c)
a
m
.
a
n
=
a
m
n
d)
(
x
m
)
n
=
(
x
n
)
m
e)
a
.
x
m
=
a
m
.
x
m
f)
x
m
x
n
=
x
m
n
{e,f,a}
{a,d}
{c,d}
{b,a}
{b,d,a}
Question
7
7.
Simplify the expression
(
9
7
)
(-5)
✕
(
3
2
)
(-5)
(
39
14
)
(-3)
(
39
14
)
(-5)
(
39
14
)
(-7)
(
43
16
)
(-5)
(
35
12
)
(-5)
Question
8
8.
Simplify
9
-1
+
6
0
+
5
1
+
3
-1
56
9
58
9
20
3
46
7
70
11
Question
9
9.
Simplify the expression
(
-5
6
)
7
✕
(
-5
6
)
7
✕
(
-5
6
)
6
(
-5
6
)
294
(
-5
6
)
291
(
-5
6
)
297
(
-5
8
)
294
(
-5
4
)
294
Question
10
10.
(
(
h
3
)
6
)
8
=
h
144
h
10
h
26
h
(-11)
h
17
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