EduSahara™ Worksheet
Name : Chapter Based Worksheet
Chapter : Exponents
Grade : ICSE Grade VII
License : Non Commercial Use
Question
1
1.
2
q
2
.
6
q
8
=
(i)
8
q
10
(ii)
8
q
16
(iii)
12
q
16
(iv)
12
q
10
(v)
10
q
12
Question
2
2.
(
i
2
)
(
j
+
3
)
=
(i)
i
(
j
+
7
)
(ii)
i
(
j
+
8
)
(iii)
i
(
2
j
+
6
)
(iv)
i
(
2
j
−
6
)
(v)
i
(
2
j
+
5
)
Question
3
3.
Find the exponential notation of
17
✕
17
✕
17
✕
17
✕
17
✕
17
(i)
17
7
(ii)
17
5
(iii)
17
6
(iv)
15
6
(v)
19
6
Question
4
4.
The value of
-3
(
-5
2
)
✕
-2
(
1
2
)
(i)
2
(
-32
125
)
(ii)
(
-6
25
)
(iii)
(
-32
125
)
(iv)
(
-34
125
)
(v)
(
-32
123
)
Question
5
5.
(
g
+
h
)
2
.
(
g
+
h
)
3
=
(i)
(
g
+
h
)
3
(ii)
(
g
+
h
)
(-1)
(iii)
(
g
+
h
)
2
(iv)
(
g
+
h
)
5
(v)
(
g
+
h
)
6
Question
6
6.
Find the exponential notation of
-13
✕
-13
✕
-13
✕
-13
(i)
(-16)
4
(ii)
(-13)
4
(iii)
(-13)
5
(iv)
(-11)
4
(v)
(-13)
3
Question
7
7.
Expand the following base power
-5
(
-5
4
)
(i)
(
-1024
3125
)
(ii)
256
625
(iii)
4096
15625
(iv)
(
-1024
16807
)
(v)
(
-1024
243
)
Question
8
8.
Find the reciprocal of
7
2
(i)
2
(
1
7
)
(ii)
3
(
1
7
)
(iii)
1
7
(iv)
2
(
3
7
)
(v)
2
(
-1
7
)
Question
9
9.
If
(
8
2
)
1050
=
(
8
35
)
h
, find
h
(i)
61
(ii)
59
(iii)
60
(iv)
58
(v)
63
Question
10
10.
f
✕
f
✕
g
✕
g
=
(i)
f
2
g
2
(ii)
f
3
g
2
(iii)
4
f
2
g
2
(iv)
−
2
f
2
g
2
(v)
f
g
2
Question
11
11.
Find the exponential notation of
17
10
✕
17
10
✕
17
10
✕
17
10
✕
17
10
✕
17
10
(i)
6
(
19
10
)
(ii)
6
(
3
2
)
(iii)
5
(
17
10
)
(iv)
7
(
17
10
)
(v)
6
(
17
10
)
Question
12
12.
Simplify the expression
7
5
✕
7
5
✕
2
5
(i)
95
5
(ii)
98
6
(iii)
98
4
(iv)
100
5
(v)
98
5
Question
13
13.
Simplify the expression
-2
(
7
6
)
✕
-2
(
7
6
)
(i)
-4
(
3
2
)
(ii)
-4
(
5
6
)
(iii)
-3
(
7
6
)
(iv)
-4
(
7
6
)
(v)
-5
(
7
6
)
Question
14
14.
Simplify
(-3)
2
✕
2
2
✕
3
2
5
3
✕
3
2
✕
(-2)
3
✕
(-4)
2
(i)
(-1)
2
✕
2
2
✕
3
4
2
7
✕
3
2
✕
5
3
(ii)
-2
✕
2
2
✕
3
4
2
7
✕
3
2
✕
5
3
(iii)
-1
✕
2
2
✕
3
4
2
7
✕
3
2
✕
2
3
(iv)
-1
✕
2
2
✕
3
4
2
7
✕
3
2
✕
8
3
(v)
-1
✕
2
2
✕
3
4
2
7
✕
3
2
✕
5
3
Question
15
15.
-3
(
1
3
)
+
-4
(
1
4
)
+
-2
(
1
2
)
+
-2
(
1
3
)
=
(i)
296
(ii)
298
(iii)
294
(iv)
295
(v)
297
Question
16
16.
(
e
13
e
9
)
3
=
(i)
e
22
(ii)
e
9
(iii)
3
e
12
(iv)
e
12
(v)
e
13
Question
17
17.
0
0
=
(i)
-1
(ii)
1
(iii)
∞
(iv)
0
(v)
undefined
Question
18
18.
(
7
7
✕
5
4
)
9
=
(i)
7
36
✕
5
63
(ii)
7
7
✕
5
36
(iii)
7
63
✕
5
36
(iv)
7
63
✕
5
4
(v)
7
7
✕
5
4
Question
19
19.
Simplify the expression
(-4)
4
✕
(-3)
4
(i)
12
5
(ii)
15
4
(iii)
12
4
(iv)
9
4
(v)
12
3
Question
20
20.
(
r
11
r
2
)
2
=
(i)
r
44
(ii)
r
18
(iii)
2
r
9
(iv)
2
r
13
(v)
r
26
Question
21
21.
f
14
g
10
f
3
g
3
=
(i)
f
11
g
13
(ii)
f
17
g
13
(iii)
f
11
g
7
(iv)
f
24
g
6
(v)
f
17
g
7
Question
22
22.
7
-4
=
(i)
4
(
-1
7
)
(ii)
3
(
1
7
)
(iii)
4
(
1
7
)
(iv)
5
(
1
7
)
(v)
4
(
3
7
)
Question
23
23.
-9
(
-9
2
)
8
(
-9
2
)
=
(i)
-16
(
-9
2
)
(ii)
-17
(
-7
2
)
(iii)
-18
(
-9
2
)
(iv)
-17
(
-9
2
)
(v)
-17
(
-11
2
)
Question
24
24.
Simplify the expression
(-7)
-7
✕
(-9)
-7
✕
(-2)
-7
(i)
(-123)
-7
(ii)
(-126)
-6
(iii)
(-126)
-7
(iv)
(-126)
-8
(v)
(-129)
-7
Question
25
25.
[
(
6
4
)
6
✕
(
6
2
)
4
]
÷
6
32
(i)
1
(ii)
3
(iii)
2
(iv)
6
(v)
0
Assignment Key
1) (iv)
2) (iii)
3) (iii)
4) (iii)
5) (iv)
6) (ii)
7) (i)
8) (i)
9) (iii)
10) (i)
11) (v)
12) (v)
13) (iv)
14) (v)
15) (i)
16) (iv)
17) (v)
18) (iii)
19) (iii)
20) (ii)
21) (iii)
22) (iii)
23) (iv)
24) (iii)
25) (i)
