EduSahara™ Assignment
Name : Evaluation of Base Power Expressions
Chapter : Exponents and Powers
Grade : CBSE Grade VII
License : Non Commercial Use
Question
1
1.
Expand the following base power
5
2
(i)
49
(ii)
9
(iii)
125
(iv)
5
(v)
25
Question
2
2.
Expand the following base power
2
-4
(i)
1
32
(ii)
1
16
(iii)
1
64
(iv)
1
256
(v)
1
8
Question
3
3.
Expand the following base power
(-3)
3
(i)
-125
(ii)
-243
(iii)
81
(iv)
9
(v)
-27
Question
4
4.
Expand the following base power
(-4)
-2
(i)
(
-1
64
)
(ii)
1
49
(iii)
(
-1
4
)
(iv)
1
16
(v)
1
Question
5
5.
Expand the following base power
5
(
3
2
)
(i)
81
16
(ii)
729
64
(iii)
3125
32
(iv)
1
32
(v)
243
32
Question
6
6.
Expand the following base power
-2
(
2
3
)
(i)
27
8
(ii)
9
16
(iii)
3
2
(iv)
81
16
(v)
9
4
Question
7
7.
Expand the following base power
3
(
-1
3
)
(i)
1
9
(ii)
(
-1
27
)
(iii)
1
81
(iv)
-1
(v)
1
27
Question
8
8.
Expand the following base power
-2
(
-1
2
)
(i)
4
9
(ii)
4
(iii)
-2
(iv)
-8
Question
9
9.
The value of
3
2
+
2
3
(i)
17
(ii)
15
(iii)
17
2
(iv)
16
(v)
20
Question
10
10.
The value of
(-5)
-2
+
4
-2
(i)
2
(
41
400
)
(ii)
43
400
(iii)
41
398
(iv)
41
400
(v)
39
400
Question
11
11.
The value of
3
(
4
3
)
+
3
(
-2
3
)
(i)
56
27
(ii)
2
(iii)
2
(
56
27
)
(iv)
58
27
(v)
56
25
Question
12
12.
The value of
-3
(
2
3
)
+
-2
(
3
2
)
(i)
55
14
(ii)
2
(
275
72
)
(iii)
277
72
(iv)
91
24
(v)
275
72
Question
13
13.
The value of
3
2
−
5
2
(i)
-13
(ii)
-16
(iii)
-17
(iv)
(-16)
2
(v)
-18
Question
14
14.
The value of
(-2)
-3
−
(-4)
-3
(i)
(
-5
64
)
(ii)
(
-9
64
)
(iii)
2
(
-7
64
)
(iv)
(
-7
62
)
(v)
(
-7
64
)
Question
15
15.
The value of
3
(
5
3
)
−
2
(
3
2
)
(i)
259
108
(ii)
85
36
(iii)
2
(
257
108
)
(iv)
257
106
(v)
257
108
Question
16
16.
The value of
-3
(
-5
3
)
−
-3
(
4
3
)
(i)
(
-1701
2666
)
(ii)
(
-1021
1600
)
(iii)
(
-5103
8000
)
(iv)
2
(
-5103
8000
)
(v)
(
-5101
8000
)
Question
17
17.
The value of
3
2
✕
(-2)
3
(i)
-70
(ii)
(-72)
2
(iii)
-73
(iv)
-72
(v)
-75
Question
18
18.
The value of
(-3)
-3
✕
4
-3
(i)
(
-1
1726
)
(ii)
(
-1
1728
)
(iii)
(
-1
576
)
(iv)
1
1728
(v)
2
(
-1
1728
)
Question
19
19.
Find the value of
(
4
3
)
27
(i)
82
(ii)
83
(iii)
80
(iv)
78
(v)
81
Question
20
20.
Find the value of
(
-3
2
)
9
(i)
(
-1
27
)
(ii)
1
27
(iii)
1
29
(iv)
1
25
(v)
1
9
Question
21
21.
(
e
(-5)
+
f
(-5)
)
0
=
(i)
4
(ii)
e
(-5)
+
f
(-5)
(iii)
1
(iv)
(-2)
(v)
0
Question
22
22.
-1
4
=
(i)
1
(ii)
undefined
(iii)
∞
(iv)
0
(v)
-1
Question
23
23.
-1
3
=
(i)
undefined
(ii)
1
(iii)
-1
(iv)
∞
(v)
0
Question
24
24.
9
0
=
(i)
undefined
(ii)
0
(iii)
1
(iv)
∞
(v)
-1
Question
25
25.
0
0
=
(i)
∞
(ii)
0
(iii)
-1
(iv)
undefined
(v)
1
Question
26
26.
-1
0
=
(i)
undefined
(ii)
-1
(iii)
0
(iv)
1
(v)
∞
Question
27
27.
0
6
=
(i)
undefined
(ii)
-1
(iii)
∞
(iv)
1
(v)
0
Question
28
28.
Simplify
5
-1
+
9
0
+
6
1
+
3
-1
(i)
127
17
(ii)
37
5
(iii)
99
13
(iv)
113
15
(v)
23
3
Assignment Key
1) (v)
2) (ii)
3) (v)
4) (iv)
5) (v)
6) (v)
7) (ii)
8) (ii)
9) (i)
10) (iv)
11) (i)
12) (v)
13) (ii)
14) (v)
15) (v)
16) (iii)
17) (iv)
18) (ii)
19) (v)
20) (ii)
21) (iii)
22) (i)
23) (iii)
24) (iii)
25) (iv)
26) (iv)
27) (v)
28) (iv)
