EduSahara™ Worksheet
Name : Chapter Based Worksheet
Chapter : Exponents and Powers
Grade : SSC Grade VIII
License : Non Commercial Use
Question
1
1.
Simplify
3
-3
✕
(-4)
-2
✕
5
-2
✕
2
-3
3
-2
✕
(-5)
-3
✕
3
-2
(i)
-1
✕
3
✕
5
2
4
(ii)
(-1)
2
✕
3
✕
5
2
7
(iii)
-2
✕
3
✕
5
2
7
(iv)
-1
✕
3
✕
5
4
7
(v)
-1
✕
3
✕
5
2
7
Question
2
2.
[
4
]
4/3
(
8
7
)
=
(i)
6
(
8
7
)
(ii)
(
16/3
)
(
10
7
)
(iii)
(
16/3
)
(
6
7
)
(iv)
(
26/5
)
(
8
7
)
(v)
(
16/3
)
(
8
7
)
Question
3
3.
If
4
g
=
16
, find
4
(
2
g
+
3
)
(i)
16385
(ii)
16386
(iii)
16381
(iv)
16384
(v)
16383
Question
4
4.
-6
(
7
4
)
=
(i)
7
-5
4
-6
(ii)
7
-6
7
-6
(iii)
7
-6
1
(iv)
7
-7
4
-6
(v)
7
-6
4
-6
Question
5
5.
The value of
(-2)
2
−
5
2
(i)
-24
(ii)
(-21)
2
(iii)
-21
(iv)
-18
(v)
-22
Question
6
6.
Find the exponential notation of
-5
✕
-5
✕
-5
✕
-5
✕
-5
✕
-5
(i)
(-5)
5
(ii)
(-8)
6
(iii)
(-5)
6
(iv)
(-3)
6
(v)
(-5)
7
Question
7
7.
Find the value of
(
3
2
)
25
(i)
125
(ii)
122
(iii)
126
(iv)
124
(v)
127
Question
8
8.
-1
6
=
(i)
1
(ii)
undefined
(iii)
0
(iv)
∞
(v)
-1
Question
9
9.
The value of
(-5)
3
✕
(-3)
3
(i)
3375
(ii)
3374
(iii)
3373
(iv)
3377
(v)
3375
2
Question
10
10.
Find the exponential notation of
11
10
✕
11
10
✕
11
10
✕
11
10
✕
11
10
✕
11
10
(i)
6
(
11
10
)
(ii)
7
(
11
10
)
(iii)
6
(
13
10
)
(iv)
5
(
11
10
)
(v)
6
(
9
10
)
Question
11
11.
Simplify
(
y
(
a
+
b
)
)
(
a
−
b
)
(
y
(
b
+
c
)
)
(
b
−
c
)
(
y
(
c
+
a
)
)
(
c
−
a
)
(i)
y
(
a
+
b
+
c
)
(ii)
1
(iii)
0
(iv)
y
(v)
-1
Question
12
12.
Simplify
(-3)
2
✕
2
-2
✕
(-2)
2
(-4)
3
✕
(-2)
-3
✕
5
-3
(i)
3
2
✕
5
3
2
3
(ii)
3
3
✕
5
3
2
3
(iii)
3
2
✕
5
3
0
(iv)
3
2
✕
5
3
5
3
(v)
3
2
✕
5
2
2
3
Question
13
13.
(
3
3
✕
5
6
)
4
=
(i)
3
12
✕
5
24
(ii)
3
3
✕
5
24
(iii)
3
3
✕
5
6
(iv)
3
12
✕
5
6
(v)
3
24
✕
5
12
Question
14
14.
Find the reciprocal of
8
4
(i)
4
(
3
8
)
(ii)
4
(
-1
8
)
(iii)
5
(
1
8
)
(iv)
3
(
1
8
)
(v)
4
(
1
8
)
Question
15
15.
Simplify the expression
(
-3
7
)
3
✕
(
-5
7
)
3
(i)
(
-8
9
)
3
(ii)
1
(iii)
(
-8
7
)
6
(iv)
(
-8
5
)
3
(v)
(
-8
7
)
3
Question
16
16.
Simplify the expression
-8
(
9
5
)
✕
2
-8
(i)
-7
(
18
5
)
(ii)
4
-8
(iii)
-8
(
16
5
)
(iv)
-9
(
18
5
)
(v)
-8
(
18
5
)
Question
17
17.
(-5)
8
=
(i)
-8
(
-3
5
)
(ii)
-7
(
-1
5
)
(iii)
-9
(
-1
5
)
(iv)
-8
(
1
5
)
(v)
-8
(
-1
5
)
Question
18
18.
Simplify
(
w
n
w
o
)
p
(
w
o
w
p
)
n
(
w
p
w
n
)
o
(i)
w
(ii)
0
(iii)
1
(iv)
-1
(v)
w
(
n
+
o
+
p
)
Question
19
19.
Simplify the expression
6
(
6
5
)
✕
6
(
7
6
)
(i)
5
(
7
5
)
(ii)
1
(iii)
6
(
7
5
)
(iv)
7
(
7
5
)
(v)
6
(
9
5
)
Question
20
20.
The value of
4
-2
÷
3
-3
(i)
29
16
(ii)
25
16
(iii)
27
16
(iv)
2
(
27
16
)
(v)
27
14
Question
21
21.
The value of
2
(
1
3
)
✕
2
(
-1
3
)
(i)
79
-1
(ii)
81
-1
(iii)
83
-1
(iv)
81
-2
(v)
82
-1
Question
22
22.
(
5/4
)
(
7
6
)
-5
(
7
6
)
=
(i)
(
25/4
)
(
3
2
)
(ii)
(
13/2
)
(
7
6
)
(iii)
(
37/6
)
(
7
6
)
(iv)
(
25/4
)
(
5
6
)
(v)
(
25/4
)
(
7
6
)
Question
23
23.
[
(
5
3
)
]
-3
5
=
(i)
3
-5
(ii)
8
-5
(iii)
5
-5
(iv)
5
-4
(v)
5
-6
Question
24
24.
10
0
=
(i)
∞
(ii)
-1
(iii)
1
(iv)
0
(v)
undefined
Question
25
25.
(
2
✕
-9
✕
-9
)
-9/2
=
(i)
(
-9
2
)
2
✕
(
-9
4
)
(-9)
✕
(
-9
4
)
(-9)
(ii)
(
-9
2
)
2
✕
(
-9
2
)
(-6)
✕
(
-9
2
)
(-6)
(iii)
(
-9
2
)
2
✕
(
-9
2
)
(-12)
✕
(
-9
2
)
(-12)
(iv)
(
-9
2
)
2
✕
(-9)
-9
✕
(-9)
-9
(v)
(
-9
2
)
2
✕
(
-9
2
)
(-9)
✕
(
-9
2
)
(-9)
Assignment Key
1) (v)
2) (v)
3) (iv)
4) (v)
5) (iii)
6) (iii)
7) (i)
8) (i)
9) (i)
10) (i)
11) (ii)
12) (i)
13) (i)
14) (v)
15) (v)
16) (v)
17) (v)
18) (iii)
19) (iii)
20) (iii)
21) (ii)
22) (v)
23) (iii)
24) (iii)
25) (v)
