EduSahara™ Assignment
Name : Base Powers Miscellaneous
Chapter : Exponents and Powers
Grade : CBSE Grade VIII
License : Non Commercial Use
Question
1
1.
Which of the following statements are true?
a)
(
x
m
)
n
=
(
x
n
)
m
b)
x
m
x
n
=
x
m
n
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
)
n
=
x
(
m
+
n
)
(i)
{d,c}
(ii)
{e,f,a}
(iii)
{a,c}
(iv)
{b,c,a}
(v)
{b,a}
Question
2
2.
Simplify
(
2
n
.
9
(
n
−
3
)
.
16
(
n
−
4
)
4
(
n
−
3
)
.
3
(
n
−
4
)
.
4
(
n
−
2
)
)
(i)
2
3
.
3
1
.
4
(
−
2
)
(ii)
2
(
−
n
+
6
)
.
3
(
n
−
2
)
.
4
(
n
−
6
)
(iii)
2
(
n
+
3
)
.
3
(
−
n
+
5
)
.
4
(
−
n
)
(iv)
2
(
−
n
+
6
)
.
3
(
−
n
+
5
)
.
4
(
−
n
)
Question
3
3.
-1
6
=
(i)
∞
(ii)
undefined
(iii)
-1
(iv)
1
(v)
0
Question
4
4.
-1
7
=
(i)
0
(ii)
1
(iii)
∞
(iv)
undefined
(v)
-1
Question
5
5.
5
0
=
(i)
-1
(ii)
undefined
(iii)
0
(iv)
1
(v)
∞
Question
6
6.
0
0
=
(i)
1
(ii)
-1
(iii)
0
(iv)
∞
(v)
undefined
Question
7
7.
-5
0
=
(i)
undefined
(ii)
-1
(iii)
∞
(iv)
0
(v)
1
Question
8
8.
0
4
=
(i)
-1
(ii)
∞
(iii)
1
(iv)
0
(v)
undefined
Question
9
9.
Find the reciprocal of
3
5
(i)
1
(ii)
5
(
-1
3
)
(iii)
5
(
1
3
)
(iv)
4
(
1
3
)
(v)
6
(
1
3
)
Question
10
10.
Find the reciprocal of
5
(
-2
5
)
(i)
5
(
-5
2
)
(ii)
6
(
-5
2
)
(iii)
5
(
-7
2
)
(iv)
5
(
-3
2
)
(v)
4
(
-5
2
)
Question
11
11.
(
6
9
✕
7
6
)
7
=
(i)
6
42
✕
7
63
(ii)
6
9
✕
7
42
(iii)
6
63
✕
7
42
(iv)
6
63
✕
7
6
(v)
6
9
✕
7
6
Question
12
12.
(
7
6
)
5
✕
(
9
3
)
-2
✕
(
11
2
)
-6
(
7
(-4)
)
-6
✕
(
9
(-3)
)
4
✕
(
11
(-2)
)
-3
=
(i)
7
6
✕
9
6
✕
11
(-18)
(ii)
7
6
✕
9
6
✕
11
(-17)
(iii)
7
7
✕
9
6
✕
11
(-18)
(iv)
7
6
✕
9
7
✕
11
(-18)
Question
13
13.
[
(
5
6
)
5
✕
(
5
5
)
6
]
÷
5
60
(i)
1
(ii)
2
(iii)
4
(iv)
5
(v)
0
Question
14
14.
[
-2
(
7
4
)
✕
-2
(
8
9
)
]
÷
[
2
(
4
7
)
✕
2
(
9
8
)
]
=
(i)
0
(ii)
1
(iii)
8
9
(iv)
(-1)
(v)
7
4
Assignment Key
1) (iii)
2) (ii)
3) (iv)
4) (v)
5) (iv)
6) (v)
7) (v)
8) (iv)
9) (iii)
10) (i)
11) (iii)
12) (i)
13) (i)
14) (ii)
