EduSahara™ Worksheet
Name : Chapter Based Worksheet
Chapter : Exponents and Powers
Grade : SSC Grade VIII
License : Non Commercial Use
Question
1
1.
Find the exponential notation of
(
-19
13
)
✕
(
-19
13
)
✕
(
-19
13
)
(i)
3
(
-21
13
)
(ii)
3
(
-17
13
)
(iii)
3
(
-19
13
)
(iv)
2
(
-19
13
)
(v)
4
(
-19
13
)
Question
2
2.
[
6
3
]
4/3
=
(i)
9
4
(ii)
6
3
(iii)
6
5
(iv)
6
4
(v)
4
4
Question
3
3.
The value of
(-2)
-3
+
(-4)
-3
(i)
(
-7
64
)
(ii)
2
(
-9
64
)
(iii)
(
-11
64
)
(iv)
(
-9
62
)
(v)
(
-9
64
)
Question
4
4.
The value of
3
-3
−
(-2)
-2
(i)
(
-25
108
)
(ii)
(
-23
106
)
(iii)
(
-7
36
)
(iv)
(
-23
108
)
(v)
2
(
-23
108
)
Question
5
5.
Find the reciprocal of
8
(
-2
3
)
(i)
8
(
-3
2
)
(ii)
8
(
-5
2
)
(iii)
8
(
-1
2
)
(iv)
7
(
-3
2
)
(v)
9
(
-3
2
)
Question
6
6.
Simplify the expression
(
-6
5
)
8
✕
(
-9
8
)
8
(i)
(
-97
42
)
8
(ii)
(
-93
40
)
10
(iii)
(
-93
40
)
5
(iv)
(
-93
40
)
8
(v)
(
-89
38
)
8
Question
7
7.
The value of
2
(
-5
2
)
✕
3
(
-3
2
)
(i)
2
(
-675
32
)
(ii)
(
-677
32
)
(iii)
(
-675
32
)
(iv)
(
-673
32
)
(v)
(
-45
2
)
Question
8
8.
Simplify
5
2
✕
(-5)
-2
✕
(-5)
-2
✕
(-4)
-2
(-4)
-2
✕
3
-2
✕
(-2)
2
✕
2
2
(i)
3
20
(ii)
2
(
1
4
)
(iii)
2
(
1
20
)
(iv)
2
(
3
20
)
(v)
3
(
3
20
)
Question
9
9.
Simplify
(
v
g
)
(
h
−
i
)
(
v
h
)
(
i
−
g
)
(
v
i
)
(
g
−
h
)
(i)
v
(
g
+
h
+
i
)
(ii)
1
(iii)
0
(iv)
v
(v)
-1
Question
10
10.
Simplify the expression
3
-8
✕
6
-8
✕
6
-8
(i)
110
-8
(ii)
108
-7
(iii)
108
-8
(iv)
108
-9
(v)
106
-8
Question
11
11.
(
-8/7
)
(
-3
2
)
=
(i)
(
10/9
)
(
-2
3
)
(ii)
(
8/7
)
(
-4
3
)
(iii)
(
8/7
)
(
-2
3
)
(iv)
(
10/7
)
(
-2
3
)
(v)
(
6/5
)
(
-2
3
)
Question
12
12.
2
(
8
3
)
-8
(
8
3
)
=
(i)
2
10
(ii)
9
(
8
3
)
(iii)
11
(
8
3
)
(iv)
10
(
8
3
)
(v)
10
(
10
3
)
Question
13
13.
Simplify the expression
5
8
✕
5
8
✕
5
8
(i)
2
24
(ii)
5
23
(iii)
5
25
(iv)
8
24
(v)
5
24
Question
14
14.
(-5)
5
=
(i)
-5
(
-1
5
)
(ii)
-4
(
-1
5
)
(iii)
-5
(
1
5
)
(iv)
-6
(
-1
5
)
(v)
-5
(
-3
5
)
Question
15
15.
Simplify
2
2
5
-2
(i)
10
2
(ii)
10
(iii)
10
3
(iv)
7
2
(v)
12
2
Question
16
16.
Simplify
5
2
✕
5
2
3
-2
✕
3
2
(i)
5
3
(ii)
5
4
(iii)
5
5
(iv)
7
4
(v)
3
4
Question
17
17.
Simplify the expression
(-7)
-4
✕
(-7)
-5
(i)
(-9)
-9
(ii)
(-7)
-8
(iii)
(-7)
-10
(iv)
(-5)
-9
(v)
(-7)
-9
Question
18
18.
Write the given number in usual form
5.958479
✕
10
-2
(i)
0.0005958479
(ii)
5.958479
(iii)
0.005958479
(iv)
0.5958479
(v)
0.05958479
Question
19
19.
[
(
-2
3
)
]
-3
7
=
(i)
4
2
(ii)
7
2
(iii)
7
1
(iv)
7
3
(v)
9
2
Question
20
20.
√
49
100
=
(i)
9
10
(ii)
7
10
(iii)
7
12
(iv)
7
8
(v)
1
2
Question
21
21.
(
3
✕
-9
✕
-5
)
-8
=
(i)
3
-8
✕
(-9)
-7
✕
(-5)
-7
(ii)
3
-8
✕
(-12)
-8
✕
(-8)
-8
(iii)
3
-8
✕
(-9)
-9
✕
(-5)
-9
(iv)
3
-8
✕
(-7)
-8
✕
(-2)
-8
(v)
3
-8
✕
(-9)
-8
✕
(-5)
-8
Question
22
22.
Simplify
5
-1
+
2
0
+
3
1
+
4
-1
(i)
89
20
(ii)
91
20
(iii)
97
22
(iv)
87
20
(v)
9
2
Question
23
23.
Simplify
(
z
j
z
k
)
l
(
z
k
z
l
)
j
(
z
l
z
j
)
k
(i)
0
(ii)
-1
(iii)
z
(
j
+
k
+
l
)
(iv)
1
(v)
z
Question
24
24.
If
c
w
=
d
x
=
e
y
=
f
z
and
c
d
=
e
f
, then
(i)
x
w
=
y
z
(ii)
1
x
+
1
y
=
1
w
+
1
z
(iii)
1
x
+
1
z
=
1
y
+
1
w
(iv)
x
y
=
w
z
(v)
1
x
+
1
w
=
1
y
+
1
z
Question
25
25.
Simplify the expression
-4
(
-5
8
)
✕
-4
(
-7
8
)
(i)
-4
(
37
64
)
(ii)
-4
(
33
64
)
(iii)
-3
(
35
64
)
(iv)
-4
(
35
64
)
(v)
-5
(
35
64
)
Assignment Key
1) (iii)
2) (iv)
3) (v)
4) (iv)
5) (i)
6) (iv)
7) (iii)
8) (iv)
9) (ii)
10) (iii)
11) (iii)
12) (iv)
13) (v)
14) (i)
15) (i)
16) (ii)
17) (v)
18) (v)
19) (ii)
20) (ii)
21) (v)
22) (i)
23) (iv)
24) (v)
25) (iv)
