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
(
m
+
n
)
d)
(
x
m
)
n
=
(
x
n
)
m
e)
x
m
x
n
=
x
m
n
f)
a
m
.
a
n
=
a
m
n
(i)
{e,f,b}
(ii)
{c,d}
(iii)
{a,b}
(iv)
{b,d}
(v)
{a,d,b}
Question
2
2.
Simplify
(
4
g
.
25
(
g
−
3
)
.
36
(
g
−
2
)
16
(
g
−
3
)
.
5
(
g
−
2
)
.
6
(
g
−
5
)
)
(i)
4
(
−
g
+
6
)
.
5
(
−
g
+
1
)
.
6
(
−
g
+
8
)
(ii)
4
3
.
5
(
−
1
)
.
6
3
(iii)
4
(
−
g
+
6
)
.
5
(
g
−
4
)
.
6
(
g
+
1
)
(iv)
4
(
g
+
3
)
.
5
(
−
g
+
1
)
.
6
(
−
g
+
8
)
Question
3
3.
-1
10
=
(i)
1
(ii)
undefined
(iii)
-1
(iv)
0
(v)
∞
Question
4
4.
-1
3
=
(i)
0
(ii)
-1
(iii)
1
(iv)
∞
(v)
undefined
Question
5
5.
1
0
=
(i)
1
(ii)
-1
(iii)
∞
(iv)
undefined
(v)
0
Question
6
6.
0
0
=
(i)
undefined
(ii)
1
(iii)
∞
(iv)
0
(v)
-1
Question
7
7.
-3
0
=
(i)
undefined
(ii)
1
(iii)
0
(iv)
-1
(v)
∞
Question
8
8.
0
5
=
(i)
∞
(ii)
-1
(iii)
1
(iv)
0
(v)
undefined
Question
9
9.
Find the reciprocal of
3
9
(i)
1
(ii)
8
(
1
3
)
(iii)
9
(
1
3
)
(iv)
9
(
-1
3
)
(v)
10
(
1
3
)
Question
10
10.
Find the reciprocal of
2
(
-8
4
)
(i)
(
-4
8
)
(ii)
2
(
-3
4
)
(iii)
3
(
-4
8
)
(iv)
2
(
-1
4
)
(v)
2
(
-4
8
)
Question
11
11.
(
9
9
✕
4
4
)
8
=
(i)
9
9
✕
4
32
(ii)
9
9
✕
4
4
(iii)
9
72
✕
4
32
(iv)
9
32
✕
4
72
(v)
9
72
✕
4
4
Question
12
12.
(
6
4
)
-2
✕
(
7
4
)
5
✕
(
9
(-2)
)
6
(
6
3
)
2
✕
(
7
4
)
-3
✕
(
9
(-5)
)
-6
=
(i)
6
(-14)
✕
7
33
✕
9
(-42)
(ii)
6
(-13)
✕
7
32
✕
9
(-42)
(iii)
6
(-14)
✕
7
32
✕
9
(-42)
(iv)
6
(-14)
✕
7
32
✕
9
(-41)
Question
13
13.
[
(
8
6
)
6
✕
(
8
6
)
6
]
÷
8
72
(i)
0
(ii)
2
(iii)
3
(iv)
8
(v)
1
Question
14
14.
[
-7
(
8
9
)
✕
-7
(
4
3
)
]
÷
[
7
(
9
8
)
✕
7
(
3
4
)
]
=
(i)
0
(ii)
(-1)
(iii)
8
9
(iv)
4
3
(v)
1
Assignment Key
1) (iv)
2) (iii)
3) (i)
4) (ii)
5) (i)
6) (i)
7) (ii)
8) (iv)
9) (iii)
10) (v)
11) (iii)
12) (iii)
13) (v)
14) (v)
