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
(
m
+
n
)
b)
a
0
=
1
(
a
≠
0)
c)
x
m
x
n
=
x
m
n
d)
a
m
.
a
n
=
a
m
n
e)
(
x
m
)
n
=
(
x
n
)
m
f)
a
.
x
m
=
a
m
.
x
m
(i)
{c,e}
(ii)
{a,e,b}
(iii)
{a,b}
(iv)
{d,f,b}
(v)
{b,e}
Question
2
2.
Simplify
(
6
f
.
49
(
f
−
2
)
.
64
(
f
−
2
)
36
(
f
−
2
)
.
7
(
f
−
2
)
.
8
(
f
−
3
)
)
(i)
6
(
−
f
+
4
)
.
7
(
f
−
2
)
.
8
(
f
−
1
)
(ii)
6
(
f
+
2
)
.
7
(
−
f
+
2
)
.
8
(
−
f
+
4
)
(iii)
6
(
−
f
+
4
)
.
7
(
−
f
+
2
)
.
8
(
−
f
+
4
)
(iv)
6
2
.
7
0
.
8
1
Question
3
3.
-1
2
=
(i)
∞
(ii)
undefined
(iii)
0
(iv)
-1
(v)
1
Question
4
4.
-1
3
=
(i)
-1
(ii)
∞
(iii)
1
(iv)
undefined
(v)
0
Question
5
5.
10
0
=
(i)
-1
(ii)
undefined
(iii)
∞
(iv)
1
(v)
0
Question
6
6.
0
0
=
(i)
∞
(ii)
-1
(iii)
0
(iv)
1
(v)
undefined
Question
7
7.
-10
0
=
(i)
undefined
(ii)
-1
(iii)
1
(iv)
0
(v)
∞
Question
8
8.
0
4
=
(i)
0
(ii)
-1
(iii)
∞
(iv)
undefined
(v)
1
Question
9
9.
Find the reciprocal of
6
9
(i)
8
(
1
6
)
(ii)
9
(
-1
6
)
(iii)
9
(
1
2
)
(iv)
10
(
1
6
)
(v)
9
(
1
6
)
Question
10
10.
Find the reciprocal of
2
(
-5
9
)
(i)
2
(
-11
5
)
(ii)
2
(
-7
5
)
(iii)
2
(
-9
5
)
(iv)
(
-9
5
)
(v)
3
(
-9
5
)
Question
11
11.
(
9
7
✕
6
5
)
8
=
(i)
9
56
✕
6
40
(ii)
9
7
✕
6
40
(iii)
9
40
✕
6
56
(iv)
9
56
✕
6
5
(v)
9
7
✕
6
5
Question
12
12.
(
9
3
)
-3
✕
(
10
2
)
6
✕
(
12
(-5)
)
5
(
9
(-4)
)
-6
✕
(
10
(-3)
)
-3
✕
(
12
(-5)
)
-6
=
(i)
9
(-33)
✕
10
3
✕
12
(-54)
(ii)
9
(-33)
✕
10
4
✕
12
(-55)
(iii)
9
(-33)
✕
10
3
✕
12
(-55)
(iv)
9
(-32)
✕
10
3
✕
12
(-55)
Question
13
13.
[
(
9
5
)
6
✕
(
9
6
)
4
]
÷
9
54
(i)
1
(ii)
0
(iii)
9
(iv)
3
(v)
2
Question
14
14.
[
-9
(
9
8
)
✕
-9
(
3
4
)
]
÷
[
9
(
8
9
)
✕
9
(
4
3
)
]
=
(i)
9
8
(ii)
(-1)
(iii)
0
(iv)
3
4
(v)
1
Assignment Key
1) (v)
2) (i)
3) (v)
4) (i)
5) (iv)
6) (v)
7) (iii)
8) (i)
9) (v)
10) (iii)
11) (i)
12) (iii)
13) (i)
14) (v)
