EduSahara™ Worksheet
Name : Chapter Based Worksheet
Chapter : Exponents and Powers
Grade : SSC Grade VIII
License : Non Commercial Use
Question
1
1.
The value of
3
-2
+
3
-2
(i)
2
7
(ii)
4
9
(iii)
2
9
(iv)
2
(
2
9
)
(v)
-1
(
2
9
)
Question
2
2.
(
3
✕
2
✕
-9
)
9/4
=
(i)
(
9
4
)
3
✕
(
9
4
)
(-1)
✕
(
9
4
)
(-12)
(ii)
(
9
4
)
3
✕
(
9
4
)
4
✕
(
9
4
)
(-7)
(iii)
(
9
4
)
3
✕
(
3
2
)
2
✕
(
3
2
)
(-9)
(iv)
(
9
4
)
3
✕
(
9
2
)
2
✕
(
9
2
)
(-9)
(v)
(
9
4
)
3
✕
(
9
4
)
2
✕
(
9
4
)
(-9)
Question
3
3.
Expand the following base power
5
5
(i)
3125
(ii)
625
(iii)
16807
(iv)
243
(v)
15625
Question
4
4.
(
-4
✕
5
)
5
=
(i)
(-4)
5
✕
8
5
(ii)
(-4)
5
✕
5
5
(iii)
(-4)
5
✕
5
4
(iv)
(-4)
5
✕
5
6
(v)
(-4)
5
✕
3
5
Question
5
5.
(
(
-3
5
)
✕
8
3
✕
(
-2
5
)
)
-4
=
(i)
-4
(
-3
5
)
✕
2
-4
✕
-4
(
-4
5
)
(ii)
-4
(
-3
5
)
✕
-4
(
8
3
)
✕
-4
(
-2
5
)
(iii)
-4
(
-3
5
)
✕
-4
(
10
3
)
✕
-1
(
-2
5
)
(iv)
-4
(
-3
5
)
✕
-5
(
8
3
)
✕
-5
(
-2
5
)
(v)
-4
(
-3
5
)
✕
-3
(
8
3
)
✕
-3
(
-2
5
)
Question
6
6.
Simplify
(
w
(
h
+
i
)
)
(
h
−
i
)
(
w
(
i
+
j
)
)
(
i
−
j
)
(
w
(
j
+
h
)
)
(
j
−
h
)
(i)
-1
(ii)
1
(iii)
w
(iv)
0
(v)
w
(
h
+
i
+
j
)
Question
7
7.
3
3
3
-3
=
(i)
3
5
(ii)
3
7
(iii)
3
6
(iv)
6
6
(v)
1
Question
8
8.
(
-4
5
)
(-2)
(-2)
5
=
(i)
(
-39
7
)
(-2)
(ii)
(
-29
5
)
(-5)
(iii)
(
-29
5
)
(-2)
(iv)
(
-19
3
)
(-2)
(v)
1
Question
9
9.
The value of
5
2
+
(-2)
3
(i)
17
2
(ii)
17
(iii)
16
(iv)
14
(v)
20
Question
10
10.
Expand the following base power
(-2)
3
(i)
1
(ii)
-64
(iii)
-8
(iv)
16
(v)
4
Question
11
11.
If
125
(
f
+
1
)
=
3125
18
=
5
g
, find
g
(i)
89
(ii)
88
(iii)
90
(iv)
91
(v)
93
Question
12
12.
Write the given number in usual form
5.52307
✕
10
8
(i)
55230700000
(ii)
5523070
(iii)
55230700
(iv)
552307000
(v)
5523070000
Question
13
13.
(
7
✕
-3
✕
-6
)
8
=
(i)
7
8
✕
(-5)
8
✕
(-9)
8
(ii)
7
8
✕
(-3)
7
✕
(-6)
7
(iii)
7
8
✕
(-3)
8
✕
(-6)
8
(iv)
7
8
✕
(-1)
8
✕
(-4)
8
(v)
7
8
✕
(-3)
9
✕
(-6)
9
Question
14
14.
If
10
(
3
j
+
4
)
÷
100
=
10
11
, find
j
(i)
6
(ii)
4
(iii)
3
(iv)
2
(v)
1
Question
15
15.
Simplify
(
8
h
.
81
(
h
−
5
)
.
100
(
h
−
4
)
64
(
h
−
5
)
.
9
(
h
−
4
)
.
10
(
h
−
4
)
)
(i)
8
(
−
h
+
10
)
.
9
(
−
h
+
3
)
.
10
(
−
h
+
4
)
(ii)
8
(
h
+
5
)
.
9
(
−
h
+
3
)
.
10
(
−
h
+
4
)
(iii)
8
5
.
9
(
−
1
)
.
10
0
(iv)
8
(
−
h
+
10
)
.
9
(
h
−
6
)
.
10
(
h
−
4
)
Question
16
16.
Find the exponential notation of
-17
✕
-17
✕
-17
✕
-17
✕
-17
✕
-17
✕
-17
(i)
(-17)
6
(ii)
(-17)
7
(iii)
(-14)
7
(iv)
(-17)
8
(v)
(-20)
7
Question
17
17.
Write the given number in usual form
1.877903
✕
10
-6
(i)
0.000001877903
(ii)
0.0001877903
(iii)
0.0000001877903
(iv)
0.00000001877903
(v)
0.00001877903
Question
18
18.
Expand the following base power
-3
(
-4
5
)
(i)
(
-125
64
)
(ii)
(
-125
8
)
(iii)
25
16
(iv)
(
-125
216
)
(v)
625
256
Question
19
19.
Find the exponential notation of
-6
✕
-6
✕
-6
(i)
(-6)
4
(ii)
(-3)
3
(iii)
(-6)
2
(iv)
(-6)
3
(v)
(-9)
3
Question
20
20.
Find the value of
5
(
5
3
)
(i)
347
27
(ii)
625
49
(iii)
3127
243
(iv)
3125
243
(v)
3125
241
Question
21
21.
Simplify the expression
(-3)
8
✕
(-6)
8
(i)
16
8
(ii)
21
8
(iii)
18
7
(iv)
18
8
(v)
18
9
Question
22
22.
[
-3
(
8
3
)
✕
-3
(
9
6
)
]
÷
[
3
(
3
8
)
✕
3
(
6
9
)
]
=
(i)
1
(ii)
8
3
(iii)
9
6
(iv)
0
(v)
(-1)
Question
23
23.
Simplify the expression
(-5)
2
✕
(-5)
6
(i)
(-5)
7
(ii)
(-5)
9
(iii)
(-8)
8
(iv)
(-2)
8
(v)
(-5)
8
Question
24
24.
If
p
u
=
q
,
q
v
=
r
and
r
w
=
p
, then
u
v
w
=
(i)
(
p
+
q
+
r
)
(ii)
1
(iii)
-1
(iv)
0
(v)
p
q
r
Question
25
25.
-3
(
-8
3
)
=
(i)
3
(
-3
8
)
(ii)
3
(
-5
8
)
(iii)
4
(
-3
8
)
(iv)
3
(
-1
8
)
(v)
2
(
-3
8
)
Assignment Key
1) (iii)
2) (v)
3) (i)
4) (ii)
5) (ii)
6) (ii)
7) (iii)
8) (iii)
9) (ii)
10) (iii)
11) (iii)
12) (iv)
13) (iii)
14) (iii)
15) (iv)
16) (ii)
17) (i)
18) (i)
19) (iv)
20) (iv)
21) (iv)
22) (i)
23) (v)
24) (ii)
25) (i)
