EduSahara™ Assignment
Name : Exponents Concepts
Chapter : Exponents and Powers
Grade : CBSE Grade VII
License : Non Commercial Use
Question
1
1.
The
base
in the term
7
4
is
(i)
-7
(ii)
-4
(iii)
7
(iv)
4
Question
2
2.
The
exponent
in the term
9
7
is
(i)
-9
(ii)
-7
(iii)
5
(iv)
7
(v)
9
Question
3
3.
The
power
in the term
6
8
is
(i)
-6
(ii)
8
(iii)
6
(iv)
-8
Question
4
4.
The
base
in the term
3
6
is
(i)
-6
(ii)
0
(iii)
6
(iv)
-3
(v)
3
1
Question
5
5.
The
exponent
in the term
(
7
4
)
8
is
(i)
5
4
(ii)
(
-7
4
)
(iii)
-8
(iv)
7
4
(v)
8
Question
6
6.
Find the exponential notation of
5
✕
5
✕
5
✕
5
✕
5
✕
5
(i)
5
5
(ii)
5
7
(iii)
2
6
(iv)
8
6
(v)
5
6
Question
7
7.
Find the exponential notation of
-2
✕
-2
✕
-2
✕
-2
✕
-2
✕
-2
✕
-2
(i)
(-2)
6
(ii)
(-2)
8
(iii)
(-5)
7
(iv)
(-2)
7
(v)
1
Question
8
8.
Find the exponential notation of
-12
✕
-12
✕
-12
(i)
(-12)
3
(ii)
(-14)
3
(iii)
(-10)
3
(iv)
(-12)
2
(v)
(-12)
4
Question
9
9.
Find the exponential notation of
10
✕
10
✕
10
✕
10
✕
10
✕
10
✕
10
✕
10
(i)
10
9
(ii)
10
7
(iii)
10
8
(iv)
12
8
(v)
8
8
Question
10
10.
Find the exponential notation of
4
3
✕
4
3
✕
4
3
✕
4
3
✕
4
3
(i)
6
(
4
3
)
(ii)
5
(
2
3
)
(iii)
2
5
(iv)
5
(
4
3
)
(v)
4
(
4
3
)
Question
11
11.
Find the exponential notation of
15
11
✕
15
11
✕
15
11
✕
15
11
✕
15
11
✕
15
11
✕
15
11
(i)
6
(
15
11
)
(ii)
8
(
15
11
)
(iii)
7
(
13
11
)
(iv)
7
(
17
11
)
(v)
7
(
15
11
)
Question
12
12.
Find the exponential notation of
(
-9
5
)
✕
(
-9
5
)
✕
(
-9
5
)
(i)
3
(
-9
5
)
(ii)
3
(
-7
5
)
(iii)
2
(
-9
5
)
(iv)
3
(
-11
5
)
(v)
4
(
-9
5
)
Question
13
13.
Find the exponential notation of
(
-12
19
)
✕
(
-12
19
)
✕
(
-12
19
)
✕
(
-12
19
)
✕
(
-12
19
)
✕
(
-12
19
)
✕
(
-12
19
)
(i)
6
(
-12
19
)
(ii)
7
(
-14
19
)
(iii)
7
(
-12
19
)
(iv)
8
(
-12
19
)
(v)
7
(
-10
19
)
Question
14
14.
Which of the following statements are true?
a)
a
.
x
m
=
a
m
.
x
m
b)
(
x
m
)
n
=
x
(
m
+
n
)
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
0
=
1
(
a
≠
0)
(i)
{c,d,e}
(ii)
{b,f}
(iii)
{e,f}
(iv)
{a,e}
(v)
{a,f,e}
Question
15
15.
-1
4
=
(i)
undefined
(ii)
1
(iii)
0
(iv)
-1
(v)
∞
Question
16
16.
-1
7
=
(i)
-1
(ii)
1
(iii)
∞
(iv)
0
(v)
undefined
Question
17
17.
6
0
=
(i)
1
(ii)
0
(iii)
∞
(iv)
-1
(v)
undefined
Question
18
18.
0
0
=
(i)
∞
(ii)
-1
(iii)
undefined
(iv)
0
(v)
1
Question
19
19.
-4
0
=
(i)
0
(ii)
-1
(iii)
∞
(iv)
1
(v)
undefined
Question
20
20.
0
6
=
(i)
undefined
(ii)
∞
(iii)
0
(iv)
1
(v)
-1
Question
21
21.
6
i
4
=
(i)
6
✕
i
✕
i
✕
i
(ii)
6
✕
i
✕
i
✕
i
✕
i
(iii)
4
✕
i
✕
i
✕
i
✕
i
(iv)
9
✕
i
✕
i
✕
i
✕
i
(v)
6
✕
i
✕
i
✕
i
✕
i
✕
i
Question
22
22.
13
i
2
j
2
=
(i)
15
✕
i
✕
i
✕
j
✕
j
(ii)
13
✕
i
✕
j
✕
j
(iii)
11
✕
i
✕
i
✕
j
✕
j
(iv)
13
✕
i
✕
i
✕
i
✕
j
✕
j
(v)
13
✕
i
✕
i
✕
j
✕
j
Question
23
23.
i
2
j
2
k
2
=
(i)
4
✕
i
✕
i
✕
j
✕
j
✕
k
✕
k
(ii)
i
✕
j
✕
j
✕
k
✕
k
(iii)
i
✕
i
✕
j
✕
j
✕
k
✕
k
(iv)
−
i
✕
i
✕
j
✕
j
✕
k
✕
k
(v)
i
✕
i
✕
i
✕
j
✕
j
✕
k
✕
k
Question
24
24.
19
✕
e
✕
e
✕
e
✕
e
=
(i)
16
e
4
(ii)
19
e
4
(iii)
19
e
3
(iv)
19
e
5
(v)
22
e
4
Question
25
25.
12
✕
d
✕
d
✕
e
✕
e
✕
e
=
(i)
12
d
3
e
3
(ii)
14
d
2
e
3
(iii)
12
d
2
e
3
(iv)
12
d
e
3
(v)
9
d
2
e
3
Question
26
26.
k
✕
k
✕
k
✕
l
✕
l
✕
l
✕
m
✕
m
=
(i)
3
k
3
l
3
m
2
(ii)
k
2
l
3
m
2
(iii)
k
3
l
3
m
2
(iv)
−
2
k
3
l
3
m
2
(v)
k
4
l
3
m
2
Question
27
27.
The expanded form of
(
−
2
n
)
3
is
(i)
(
−
2
n
)
✕
(
−
2
n
)
(ii)
(
−
2
n
)
✕
(
−
2
n
)
✕
(
−
2
n
)
✕
(
−
2
n
)
✕
(
−
2
n
)
(iii)
(
−
2
n
)
(iv)
(
−
2
n
)
✕
(
−
2
n
)
✕
(
−
2
n
)
(v)
(
−
2
n
)
✕
(
−
2
n
)
✕
(
−
2
n
)
✕
(
−
2
n
)
Question
28
28.
The expanded form of
(
2
3
u
)
3
is
(i)
2
3
u
✕
2
3
u
✕
2
3
u
✕
2
3
u
(ii)
2
3
u
✕
2
3
u
(iii)
2
3
u
✕
2
3
u
✕
2
3
u
✕
2
3
u
✕
2
3
u
(iv)
2
3
u
✕
2
3
u
✕
2
3
u
(v)
2
3
u
Question
29
29.
The expanded form of
(
5
c
d
)
3
is
(i)
5
c
d
(ii)
5
c
d
✕
5
c
d
✕
5
c
d
✕
5
c
d
(iii)
5
c
d
✕
5
c
d
✕
5
c
d
✕
5
c
d
✕
5
c
d
(iv)
5
c
d
✕
5
c
d
✕
5
c
d
(v)
5
c
d
✕
5
c
d
Question
30
30.
The expanded form of
(
1
5
m
n
)
3
is
(i)
1
5
m
n
✕
1
5
m
n
(ii)
1
5
m
n
(iii)
1
5
m
n
✕
1
5
m
n
✕
1
5
m
n
✕
1
5
m
n
(iv)
1
5
m
n
✕
1
5
m
n
✕
1
5
m
n
✕
1
5
m
n
✕
1
5
m
n
(v)
1
5
m
n
✕
1
5
m
n
✕
1
5
m
n
Question
31
31.
The expanded form of
(
4
q
r
−
2
q
)
3
is
(i)
(
4
q
r
−
2
q
)
✕
(
4
q
r
−
2
q
)
✕
(
4
q
r
−
2
q
)
✕
(
4
q
r
−
2
q
)
(ii)
(
4
q
r
−
2
q
)
(iii)
(
4
q
r
−
2
q
)
✕
(
4
q
r
−
2
q
)
✕
(
4
q
r
−
2
q
)
✕
(
4
q
r
−
2
q
)
✕
(
4
q
r
−
2
q
)
(iv)
(
4
q
r
−
2
q
)
✕
(
4
q
r
−
2
q
)
✕
(
4
q
r
−
2
q
)
(v)
(
4
q
r
−
2
q
)
✕
(
4
q
r
−
2
q
)
Assignment Key
1) (iii)
2) (iv)
3) (ii)
4) (v)
5) (iv)
6) (v)
7) (iv)
8) (i)
9) (iii)
10) (iv)
11) (v)
12) (i)
13) (iii)
14) (iii)
15) (ii)
16) (i)
17) (i)
18) (iii)
19) (iv)
20) (iii)
21) (ii)
22) (v)
23) (iii)
24) (ii)
25) (iii)
26) (iii)
27) (iv)
28) (iv)
29) (iv)
30) (v)
31) (iv)
