EduSahara™ Worksheet
Name : Chapter Based Worksheet
Chapter : Exponents
Grade : ICSE Grade VII
License : Non Commercial Use
Question
1
1.
(
c
9
d
9
e
5
)
8
=
(i)
(
c
17
d
17
e
13
)
(ii)
(
c
72
d
72
e
13
)
(iii)
(
c
72
d
72
e
40
)
(iv)
(
8
c
9
d
9
8
e
5
)
(v)
(
c
17
d
17
e
40
)
Question
2
2.
Find the exponential notation of
16
25
(i)
2
(
2
5
)
(ii)
4
5
(iii)
2
(
4
5
)
(iv)
2
(
6
5
)
(v)
3
(
4
5
)
Question
3
3.
(
i
+
j
)
8
.
(
i
+
j
)
(-8)
=
(i)
(
i
+
j
)
(-64)
(ii)
1
(iii)
(
i
+
j
)
8
(iv)
(
i
+
j
)
(-8)
(v)
(
i
+
j
)
16
Question
4
4.
Simplify the expression
-7
(
3
2
)
✕
-7
(
3
2
)
(i)
-14
(
5
2
)
(ii)
-15
(
3
2
)
(iii)
-14
(
3
2
)
(iv)
-14
(
1
2
)
(v)
-13
(
3
2
)
Question
5
5.
If
256
✕
4
s
=
4
6
, find
s
(i)
3
(ii)
1
(iii)
0
(iv)
2
(v)
4
Question
6
6.
9
e
6
.
3
e
8
.
5
e
3
.
6
e
9
=
(i)
162
e
432
(ii)
18
e
432
(iii)
810
e
26
(iv)
17
e
162
(v)
18
e
17
Question
7
7.
25
b
3
c
3
=
(i)
25
✕
b
✕
b
✕
b
✕
c
✕
c
✕
c
(ii)
28
✕
b
✕
b
✕
b
✕
c
✕
c
✕
c
(iii)
25
✕
b
✕
b
✕
c
✕
c
✕
c
(iv)
23
✕
b
✕
b
✕
b
✕
c
✕
c
✕
c
(v)
25
✕
b
✕
b
✕
b
✕
b
✕
c
✕
c
✕
c
Question
8
8.
Find the reciprocal of
9
(
-3
8
)
(i)
9
(
-8
3
)
(ii)
8
(
-8
3
)
(iii)
10
(
-8
3
)
(iv)
9
(
-10
3
)
(v)
(-2)
9
Question
9
9.
The value of
(-5)
-2
✕
4
-3
(i)
1601
-1
(ii)
1603
-1
(iii)
1600
-1
(iv)
1600
-2
(v)
1597
-1
Question
10
10.
[
(
7
6
)
2
✕
(
7
3
)
6
]
÷
7
30
(i)
0
(ii)
2
(iii)
7
(iv)
4
(v)
1
Question
11
11.
a
6
a
15
=
(i)
1
a
90
(ii)
1
a
21
(iii)
1
a
9
(iv)
a
9
(v)
1
a
(-9)
Question
12
12.
0
0
=
(i)
∞
(ii)
undefined
(iii)
0
(iv)
-1
(v)
1
Question
13
13.
Find the exponential notation of
14
✕
14
✕
14
✕
14
(i)
14
3
(ii)
11
4
(iii)
14
5
(iv)
16
4
(v)
14
4
Question
14
14.
Simplify the expression
(-3)
-6
✕
(-3)
-7
(i)
(-3)
-13
(ii)
(-3)
-14
(iii)
(-3)
-12
(iv)
(-1)
-13
(v)
(-5)
-13
Question
15
15.
Simplify
5
-2
✕
(-5)
2
✕
(-5)
-2
✕
(-2)
-2
(-2)
-2
✕
(-4)
-2
✕
(-3)
-2
✕
3
2
(i)
2
(
4
5
)
(ii)
2
(
2
5
)
(iii)
4
5
(iv)
2
(
6
5
)
(v)
3
(
4
5
)
Question
16
16.
Simplify
(-5)
-2
✕
(-3)
-3
(-4)
-2
✕
(-2)
-3
(i)
2
8
3
3
✕
5
2
(ii)
2
7
3
3
✕
5
2
(iii)
2
6
3
3
✕
5
2
(iv)
2
7
1
✕
5
2
(v)
2
7
3
3
✕
7
2
Question
17
17.
Simplify the expression
(-2)
-9
✕
(-9)
-9
✕
(-3)
-9
(i)
(-54)
-9
(ii)
(-54)
-10
(iii)
(-56)
-9
(iv)
(-54)
-8
(v)
(-51)
-9
Question
18
18.
2
b
6
.
8
b
8
.
9
b
3
=
(i)
19
b
17
(ii)
144
b
144
(iii)
19
b
144
(iv)
144
b
17
(v)
17
b
144
Question
19
19.
(
g
4
)
7
=
(i)
g
28
(ii)
g
11
(iii)
g
4
(iv)
7
g
4
(v)
g
3
Question
20
20.
The
power
in the term
7
(
7
4
)
is
(i)
(
-7
4
)
(ii)
7
4
(iii)
4
(iv)
-7
(v)
7
Question
21
21.
[
-3
]
-5
(
-7
6
)
=
(i)
15
(
-3
2
)
(ii)
15
(
-7
6
)
(iii)
16
(
-7
6
)
(iv)
14
(
-7
6
)
(v)
15
(
-5
6
)
Question
22
22.
(-3)
-6
=
(i)
6
(
-1
3
)
(ii)
7
(
-1
3
)
(iii)
6
(
1
3
)
(iv)
(-1)
6
(v)
5
(
-1
3
)
Question
23
23.
Simplify the expression
-9
(
9
7
)
✕
-9
(
9
7
)
(i)
-17
(
9
7
)
(ii)
-18
(
11
7
)
(iii)
1
(iv)
-19
(
9
7
)
(v)
-18
(
9
7
)
Question
24
24.
If
4
p
=
64
, find
4
(
p
+
3
)
(i)
4094
(ii)
4095
(iii)
4096
(iv)
4098
(v)
4097
Question
25
25.
s
10
t
17
s
4
t
2
=
(i)
s
14
t
15
(ii)
s
27
t
6
(iii)
s
14
t
19
(iv)
s
6
t
15
(v)
s
6
t
19
Assignment Key
1) (iii)
2) (iii)
3) (ii)
4) (iii)
5) (iv)
6) (iii)
7) (i)
8) (i)
9) (iii)
10) (v)
11) (iii)
12) (ii)
13) (v)
14) (i)
15) (i)
16) (ii)
17) (i)
18) (iv)
19) (i)
20) (v)
21) (ii)
22) (i)
23) (v)
24) (iii)
25) (iv)
