EduSahara
Home
Practice
CBSE
SSC
ICSE
Worksheets
CBSE
SSC
ICSE
Assignments
CBSE
SSC
ICSE
Exams
CBSE
SSC
ICSE
Login
ICSE Board Practice
Generated
70
Correct
0 (0%)
Incorrect
0 (0%)
Class VI
Class VII
Class VIII
Class IX
Class X
ICSE Grade VII - Exponents
Question
1
1.
29
✕
i
✕
i
✕
i
✕
i
✕
j
✕
j
✕
k
✕
k
✕
k
=
31
i
4
j
2
k
3
29
i
3
j
2
k
3
26
i
4
j
2
k
3
29
i
5
j
2
k
3
29
i
4
j
2
k
3
Question
2
2.
(
1
2
k
l
m
)
✕
(
−
5
l
3
m
2
)
✕
(
−
1
9
m
9
)
=
5
18
k
l
4
m
12
−
5
2
k
l
4
m
3
1
162
m
12
k
l
10
5
18
k
l
13
m
5
−
5
81
l
12
m
13
Question
3
3.
6
-4
=
4
(
1
6
)
3
(
1
6
)
4
(
-1
6
)
5
(
1
6
)
4
(
1
2
)
Question
4
4.
25
e
4
f
4
g
2
=
25
✕
e
✕
e
✕
e
✕
e
✕
e
✕
f
✕
f
✕
f
✕
f
✕
g
✕
g
28
✕
e
✕
e
✕
e
✕
e
✕
f
✕
f
✕
f
✕
f
✕
g
✕
g
25
✕
e
✕
e
✕
e
✕
e
✕
f
✕
f
✕
f
✕
f
✕
g
✕
g
25
✕
e
✕
e
✕
e
✕
f
✕
f
✕
f
✕
f
✕
g
✕
g
22
✕
e
✕
e
✕
e
✕
e
✕
f
✕
f
✕
f
✕
f
✕
g
✕
g
Question
5
5.
Simplify the expression
3
9
✕
2
9
✕
7
9
40
9
42
9
45
9
42
8
42
10
Question
6
6.
The value of
-3
(
-5
2
)
✕
-3
(
5
3
)
(
-218
15625
)
(
-216
15625
)
(
-216
15623
)
2
(
-216
15625
)
(
-214
15625
)
Question
7
7.
[
-4
]
5
(
-7
2
)
=
-19
(
-7
2
)
-20
(
-7
2
)
-20
(
-9
2
)
-20
(
-5
2
)
-21
(
-7
2
)
Question
8
8.
k
20
l
12
k
3
l
9
=
k
17
l
21
k
23
l
21
k
32
l
12
k
23
l
3
k
17
l
3
Question
9
9.
Expand the following base power
-5
(
5
3
)
243
16807
243
3125
81
625
729
15625
1
Question
10
10.
[
(
7
4
)
3
✕
(
7
3
)
2
]
÷
7
18
2
3
1
7
0
EduSahara™ Logout
Are you sure you want to logout.
EduSahara™ Login
Please login to access the assignments
Username:
Password: