EduSahara
Home
Practice
CBSE
SSC
ICSE
Worksheets
CBSE
SSC
ICSE
Assignments
CBSE
SSC
ICSE
Exams
CBSE
SSC
ICSE
Login
CBSE Board Practice
Generated
40
Correct
0 (0%)
Incorrect
0 (0%)
Class VI
Class VII
Class VIII
Class IX
Class X
CBSE Grade VIII - Exponents and Powers
Question
1
1.
Which of the following statements are true?
a)
(
x
m
)
n
=
x
(
m
+
n
)
b)
(
x
m
)
n
=
(
x
n
)
m
c)
a
0
=
1
(
a
≠
0)
d)
a
m
.
a
n
=
a
m
n
e)
a
.
x
m
=
a
m
.
x
m
f)
x
m
x
n
=
x
m
n
{a,b}
{a,c,b}
{b,c}
{e,f,b}
{d,c}
Question
2
2.
Simplify the expression
(-9)
9
✕
(-2)
9
✕
(-2)
9
(-36)
8
(-36)
10
(-38)
9
(-34)
9
(-36)
9
Question
3
3.
Simplify the expression
5
5
✕
5
3
✕
5
6
8
14
3
14
5
13
5
15
5
14
Question
4
4.
Simplify the expression
6
(
-3
2
)
✕
6
(
-3
2
)
12
(
-5
2
)
12
(
-3
2
)
12
(
-1
2
)
13
(
-3
2
)
11
(
-3
2
)
Question
5
5.
0
0
=
0
-1
∞
undefined
1
Question
6
6.
6
(
7
3
)
=
7
5
3
6
7
6
3
6
7
6
6
6
7
7
3
6
7
6
1
Question
7
7.
Simplify
2
-1
+
3
0
+
6
1
+
8
-1
47
6
15
2
61
8
59
8
63
8
Question
8
8.
Simplify
(-4)
2
✕
4
2
✕
4
-2
5
2
✕
2
3
✕
(-2)
2
0
2
✕
5
2
1
-1
✕
5
2
2
2
✕
5
2
1
2
✕
8
2
1
2
✕
5
2
Question
9
9.
6
-8
=
8
(
-1
6
)
9
(
1
6
)
7
(
1
6
)
8
(
1
6
)
8
(
1
2
)
Question
10
10.
(
3
7
✕
5
6
)
5
=
3
35
✕
5
30
3
7
✕
5
6
3
35
✕
5
6
3
7
✕
5
30
3
30
✕
5
35
EduSahara™ Logout
Are you sure you want to logout.
EduSahara™ Login
Please login to access the assignments
Username:
Password: