EduSahara™ Worksheet
Name : Chapter Based Worksheet
Chapter : Exponents
Grade : ICSE Grade VII
License : Non Commercial Use
Question
1
1.
(
f
2
)
3
=
(i)
f
5
(ii)
3
f
2
(iii)
f
(iv)
f
6
(v)
f
2
Question
2
2.
(
k
9
l
6
)
n
=
(i)
l
6
n
k
9
n
(ii)
k
9
n
.
l
6
n
(iii)
k
9
n
.
−
l
6
n
(iv)
k
9
n
l
6
n
Question
3
3.
0
0
=
(i)
∞
(ii)
1
(iii)
undefined
(iv)
0
(v)
-1
Question
4
4.
-9
(
-7
5
)
=
(i)
(-7)
-9
7
-9
(ii)
(-7)
-10
5
-9
(iii)
(-7)
-9
2
-9
(iv)
(-7)
-9
5
-9
(v)
(-7)
-8
5
-9
Question
5
5.
Find the square root of
w
4
x
6
y
4
=
(i)
(
w
4
x
6
y
4
)
2
(ii)
w
2
x
3
y
2
(iii)
1
w
4
x
6
y
4
(iv)
w
x
y
96
(v)
w
x
y
14
Question
6
6.
Simplify the expression
(-9)
-4
✕
(-9)
-6
(i)
(-9)
-10
(ii)
(-9)
-9
(iii)
(-7)
-10
(iv)
(-9)
-11
(v)
(-12)
-10
Question
7
7.
-1
5
=
(i)
0
(ii)
1
(iii)
-1
(iv)
undefined
(v)
∞
Question
8
8.
Simplify the expression
-5
(
-7
2
)
✕
-5
(
-7
2
)
(i)
-10
(
-9
2
)
(ii)
-9
(
-7
2
)
(iii)
-11
(
-7
2
)
(iv)
-10
(
-7
2
)
(v)
-10
(
-5
2
)
Question
9
9.
The value of
2
(
-1
2
)
✕
2
(
-1
2
)
(i)
14
-1
(ii)
17
-1
(iii)
18
-1
(iv)
16
-1
(v)
16
-2
Question
10
10.
c
19
c
2
=
(i)
c
17
(ii)
c
38
(iii)
19
c
17
(iv)
c
21
(v)
2
c
17
Question
11
11.
(
−
5
b
6
c
5
)
3
=
(i)
−
125
b
9
c
8
(ii)
−
125
b
18
c
15
(iii)
−
15
b
9
c
8
(iv)
−
5
b
18
c
15
(v)
−
15
b
18
c
15
Question
12
12.
Simplify the expression
(-6)
-8
✕
(-6)
-8
(i)
(-6)
-16
(ii)
(-3)
-16
(iii)
(-6)
-17
(iv)
(-6)
-15
(v)
(-8)
-16
Question
13
13.
The value of
3
3
÷
3
3
(i)
4
-1
(ii)
2
-1
(iii)
(-2)
-1
(iv)
1
Question
14
14.
Find the exponential notation of
-3
✕
-3
✕
-3
✕
-3
✕
-3
(i)
(-3)
7
(ii)
(-3)
4
(iii)
(-3)
6
(iv)
(-5)
5
(v)
(-3)
5
Question
15
15.
If
g
x
=
h
,
h
y
=
i
and
i
z
=
g
, then
x
y
z
=
(i)
0
(ii)
(
g
+
h
+
i
)
(iii)
g
h
i
(iv)
1
(v)
-1
Question
16
16.
Simplify
5
2
✕
5
2
✕
4
3
5
2
✕
3
2
✕
(-5)
3
✕
(-2)
3
(i)
2
6
✕
5
3
2
3
✕
3
2
✕
5
5
(ii)
2
6
✕
5
4
2
3
✕
3
2
✕
5
5
(iii)
2
6
✕
5
5
2
3
✕
3
2
✕
5
5
(iv)
2
6
✕
5
4
2
3
✕
6
2
✕
5
5
(v)
2
6
✕
5
4
2
3
✕
1
✕
5
5
Question
17
17.
(
d
5
3
e
2
)
-4
=
(i)
81
d
e
(-2)
(ii)
d
(-20)
81
e
(-8)
(iii)
81
d
(-20)
e
2
(iv)
81
e
8
d
20
(v)
d
81
e
(-2)
Question
18
18.
[
-3
]
2
(
8
7
)
=
(i)
-7
(
8
7
)
(ii)
-6
(
6
7
)
(iii)
-6
(
8
7
)
(iv)
-6
(
10
7
)
(v)
-5
(
8
7
)
Question
19
19.
The
power
in the term
9
(
7
3
)
is
(i)
9
(ii)
-9
(iii)
7
3
(iv)
(
-7
3
)
(v)
7
Question
20
20.
Expand the following base power
4
(
-3
4
)
(i)
81
256
(ii)
1
256
(iii)
(
-27
64
)
(iv)
625
256
(v)
(
-243
1024
)
Question
21
21.
Simplify
3
2
✕
(-4)
2
✕
2
2
3
-2
✕
(-5)
-2
✕
2
-2
(i)
720
(ii)
720
3
(iii)
720
2
(iv)
723
2
(v)
718
2
Question
22
22.
(
8
9
r
s
t
)
✕
(
7
s
10
t
3
)
✕
(
−
3
7
t
6
)
=
(i)
8
49
t
10
r
s
7
(ii)
−
8
3
r
s
17
t
7
(iii)
56
9
r
s
11
t
4
(iv)
9
7
s
16
t
12
(v)
−
8
3
r
s
11
t
10
Question
23
23.
Simplify
(-5)
3
✕
(-3)
-2
✕
(-3)
3
3
3
✕
3
2
✕
4
-3
(i)
2
6
✕
5
3
3
4
(ii)
2
6
✕
5
2
3
4
(iii)
2
6
✕
5
4
3
4
(iv)
2
6
✕
5
3
1
(v)
2
6
✕
5
3
6
4
Question
24
24.
c
✕
c
✕
c
✕
d
✕
d
=
(i)
−
2
c
3
d
2
(ii)
c
2
d
2
(iii)
c
3
d
2
(iv)
c
4
d
2
(v)
4
c
3
d
2
Question
25
25.
2
-2
2
-3
=
(i)
2
-2
(ii)
1
(iii)
4
(iv)
2
(v)
2
2
Assignment Key
1) (iv)
2) (iv)
3) (iii)
4) (iv)
5) (ii)
6) (i)
7) (iii)
8) (iv)
9) (iv)
10) (i)
11) (ii)
12) (i)
13) (iv)
14) (v)
15) (iv)
16) (ii)
17) (iv)
18) (iii)
19) (i)
20) (i)
21) (iii)
22) (v)
23) (i)
24) (iii)
25) (iv)
