EduSahara™ Worksheet
Name : Chapter Based Worksheet
Chapter : Exponents
Grade : ICSE Grade VIII
License : Non Commercial Use
Question
1
1.
-1
4
=
(i)
-1
(ii)
0
(iii)
undefined
(iv)
1
(v)
∞
Question
2
2.
Simplify the expression
(
-2
3
)
7
✕
(
-2
3
)
3
(i)
21
-2
(ii)
(
-2
3
)
21
(iii)
(
-2
3
)
18
(iv)
(
-2
5
)
21
(v)
(
-2
3
)
23
Question
3
3.
Find the square root of
9
p
10
q
6
25
r
10
(i)
3
p
5
q
6
5
r
5
(ii)
3
p
10
q
6
5
r
10
(iii)
3
p
5
q
3
5
r
10
(iv)
3
p
5
q
3
5
r
5
(v)
3
p
10
q
3
5
r
5
Question
4
4.
i
5
i
12
=
(i)
1
i
7
(ii)
1
i
17
(iii)
1
i
(-7)
(iv)
1
i
60
(v)
i
7
Question
5
5.
(
r
11
r
3
)
5
=
(i)
r
11
(ii)
r
40
(iii)
r
3
(iv)
5
r
40
(v)
r
14
Question
6
6.
Find the value of
(
-4
3
)
(-125)
(i)
1
623
(ii)
3
625
(iii)
1
627
(iv)
1
625
(v)
(
-1
625
)
Question
7
7.
-1
7
=
(i)
1
(ii)
0
(iii)
∞
(iv)
-1
(v)
undefined
Question
8
8.
(
m
9
n
5
)
p
=
(i)
m
9
p
.
−
n
5
p
(ii)
m
9
p
.
n
5
p
(iii)
m
9
p
n
5
p
(iv)
n
5
p
m
9
p
Question
9
9.
Find the reciprocal of
4
(
-5
9
)
(i)
4
(
-9
5
)
(ii)
4
(
-7
5
)
(iii)
3
(
-9
5
)
(iv)
5
(
-9
5
)
(v)
4
(
-11
5
)
Question
10
10.
(
t
2
)
(
u
+
2
)
=
(i)
t
(
2
u
+
4
)
(ii)
t
(
2
u
−
4
)
(iii)
t
(
u
+
6
)
Question
11
11.
(
(
m
2
)
(-3)
)
6
=
(i)
m
(-12)
(ii)
m
(-36)
(iii)
1
(iv)
m
5
(v)
m
(-1)
Question
12
12.
(-2)
2
=
(i)
-3
(
-1
2
)
(ii)
-2
(
-3
2
)
(iii)
-2
(
-1
2
)
(iv)
-2
(
1
2
)
(v)
-1
(
-1
2
)
Question
13
13.
3
√
125
1728
=
(i)
5
14
(ii)
5
12
(iii)
7
12
(iv)
1
2
(v)
1
4
Question
14
14.
Simplify
(
9
h
.
100
(
h
−
3
)
.
121
(
h
−
4
)
81
(
h
−
3
)
.
10
(
h
−
4
)
.
11
(
h
−
2
)
)
(i)
9
(
−
h
+
6
)
.
10
(
−
h
+
5
)
.
11
(
−
h
)
(ii)
9
(
h
+
3
)
.
10
(
−
h
+
5
)
.
11
(
−
h
)
(iii)
9
(
−
h
+
6
)
.
10
(
h
−
2
)
.
11
(
h
−
6
)
(iv)
9
3
.
10
1
.
11
(
−
2
)
Question
15
15.
Find the value of
2
(
-4
5
)
(i)
18
25
(ii)
16
23
(iii)
16
27
(iv)
14
25
(v)
16
25
Question
16
16.
Simplify the expression
8
(
5
3
)
✕
8
(
5
4
)
(i)
7
(
25
12
)
(ii)
8
(
23
12
)
(iii)
8
(
9
4
)
(iv)
9
(
25
12
)
(v)
8
(
25
12
)
Question
17
17.
[
-4
]
-2/5
(
8
7
)
=
(i)
(
8/5
)
(
10
7
)
(ii)
(
8/5
)
(
8
7
)
(iii)
2
(
8
7
)
(iv)
(
8/5
)
(
6
7
)
(v)
(
10/7
)
(
8
7
)
Question
18
18.
Expand the following base power
4
-3
(i)
1
256
(ii)
1
216
(iii)
1
16
(iv)
1
8
(v)
1
64
Question
19
19.
Simplify the expression
6
-6
✕
6
-6
(i)
6
-12
(ii)
4
-12
(iii)
6
-11
(iv)
6
-13
(v)
9
-12
Question
20
20.
k
17
l
20
k
7
l
3
=
(i)
k
37
l
10
(ii)
k
10
l
17
(iii)
k
10
l
23
(iv)
k
24
l
17
(v)
k
24
l
23
Question
21
21.
[
(-2)
-5
]
-5
=
(i)
(-2)
25
(ii)
(-4)
25
(iii)
1
(iv)
(-2)
26
(v)
(-2)
24
Question
22
22.
Simplify
√
4
−
√
144
√
16
+
√
25
=
(i)
(
-8
9
)
(ii)
(
-10
7
)
(iii)
(
-10
11
)
(iv)
(
-4
3
)
(v)
(
-10
9
)
Question
23
23.
[
(
4
5
)
3
✕
(
4
6
)
3
]
÷
4
33
(i)
2
(ii)
4
(iii)
0
(iv)
1
(v)
3
Question
24
24.
Simplify the expression
2
-2
✕
6
-2
✕
7
-2
(i)
84
-1
(ii)
84
-3
(iii)
84
-2
(iv)
81
-2
(v)
87
-2
Question
25
25.
If
m
u
=
n
,
n
v
=
o
and
o
w
=
m
, then
u
v
w
=
(i)
-1
(ii)
m
n
o
(iii)
(
m
+
n
+
o
)
(iv)
0
(v)
1
Assignment Key
1) (iv)
2) (ii)
3) (iv)
4) (i)
5) (ii)
6) (iv)
7) (iv)
8) (iii)
9) (i)
10) (i)
11) (ii)
12) (iii)
13) (ii)
14) (iii)
15) (v)
16) (v)
17) (ii)
18) (v)
19) (i)
20) (ii)
21) (i)
22) (v)
23) (iv)
24) (iii)
25) (v)
