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)
a
.
x
m
=
a
m
.
x
m
b)
a
0
=
1
(
a
≠
0)
c)
(
x
m
)
n
=
(
x
n
)
m
d)
x
m
x
n
=
x
m
n
e)
a
m
.
a
n
=
a
m
n
f)
(
x
m
)
n
=
x
(
m
+
n
)
(i)
{a,b}
(ii)
{a,c,b}
(iii)
{d,c}
(iv)
{b,c}
(v)
{e,f,b}
Question
2
2.
Simplify
(
2
k
.
9
(
k
−
4
)
.
16
(
k
−
2
)
4
(
k
−
4
)
.
3
(
k
−
2
)
.
4
(
k
−
1
)
)
(i)
2
(
−
k
+
8
)
.
3
(
−
k
)
.
4
(
−
k
)
(ii)
2
4
.
3
(
−
2
)
.
4
(
−
1
)
(iii)
2
(
−
k
+
8
)
.
3
(
k
−
6
)
.
4
(
k
−
3
)
(iv)
2
(
k
+
4
)
.
3
(
−
k
)
.
4
(
−
k
)
Question
3
3.
-1
4
=
(i)
1
(ii)
0
(iii)
∞
(iv)
-1
(v)
undefined
Question
4
4.
-1
9
=
(i)
∞
(ii)
0
(iii)
-1
(iv)
undefined
(v)
1
Question
5
5.
9
0
=
(i)
1
(ii)
-1
(iii)
undefined
(iv)
∞
(v)
0
Question
6
6.
0
0
=
(i)
1
(ii)
undefined
(iii)
-1
(iv)
∞
(v)
0
Question
7
7.
-10
0
=
(i)
1
(ii)
∞
(iii)
undefined
(iv)
0
(v)
-1
Question
8
8.
0
2
=
(i)
undefined
(ii)
1
(iii)
-1
(iv)
∞
(v)
0
Question
9
9.
Find the reciprocal of
7
9
(i)
8
(
1
7
)
(ii)
10
(
1
7
)
(iii)
9
(
3
7
)
(iv)
9
(
-1
7
)
(v)
9
(
1
7
)
Question
10
10.
Find the reciprocal of
8
(
-7
3
)
(i)
8
(
-3
7
)
(ii)
8
(
-5
7
)
(iii)
7
(
-3
7
)
(iv)
8
(
-1
7
)
(v)
9
(
-3
7
)
Question
11
11.
(
5
6
✕
6
2
)
8
=
(i)
5
48
✕
6
2
(ii)
5
48
✕
6
16
(iii)
5
6
✕
6
2
(iv)
5
16
✕
6
48
(v)
5
6
✕
6
16
Question
12
12.
(
5
5
)
-6
✕
(
7
5
)
-3
✕
(
10
5
)
4
(
5
(-2)
)
6
✕
(
7
4
)
-6
✕
(
10
2
)
-4
=
(i)
5
(-18)
✕
7
10
✕
10
28
(ii)
5
(-18)
✕
7
9
✕
10
28
(iii)
5
(-17)
✕
7
9
✕
10
28
(iv)
5
(-18)
✕
7
9
✕
10
29
Question
13
13.
[
(
4
2
)
6
✕
(
4
4
)
4
]
÷
4
28
(i)
4
(ii)
3
(iii)
2
(iv)
1
(v)
0
Question
14
14.
[
-8
(
9
3
)
✕
-8
(
7
8
)
]
÷
[
8
(
3
9
)
✕
8
(
8
7
)
]
=
(i)
9
3
(ii)
1
(iii)
(-1)
(iv)
0
(v)
7
8
Assignment Key
1) (iv)
2) (iii)
3) (i)
4) (iii)
5) (i)
6) (ii)
7) (i)
8) (v)
9) (v)
10) (i)
11) (ii)
12) (ii)
13) (iv)
14) (ii)
