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
4
2
(i)
4
(ii)
16
(iii)
64
(iv)
49
Question
2
2.
Expand the following base power
3
-2
(i)
1
3
(ii)
1
27
(iii)
1
25
(iv)
1
9
(v)
1
Question
3
3.
Expand the following base power
(-5)
2
(i)
-125
(ii)
25
(iii)
-5
(iv)
49
(v)
4
Question
4
4.
Expand the following base power
(-4)
-5
(i)
(
-1
1024
)
(ii)
(
-1
7776
)
(iii)
-1
(iv)
1
256
(v)
1
4096
Question
5
5.
Expand the following base power
3
(
5
2
)
(i)
25
4
(ii)
27
8
(iii)
125
8
(iv)
343
8
(v)
625
16
Question
6
6.
Expand the following base power
-2
(
4
5
)
(i)
25
36
(ii)
25
16
(iii)
125
64
(iv)
25
4
(v)
5
4
Question
7
7.
Expand the following base power
3
(
-1
5
)
(i)
(
-1
125
)
(ii)
(
-27
125
)
(iii)
1
125
(iv)
1
625
(v)
1
25
Question
8
8.
Expand the following base power
-5
(
-2
3
)
(i)
9
4
(ii)
81
16
(iii)
729
64
(iv)
(
-243
1024
)
(v)
(
-243
32
)
Question
9
9.
The value of
(-4)
2
+
4
3
(i)
79
(ii)
83
(iii)
80
2
(iv)
80
(v)
77
Question
10
10.
The value of
(-2)
-2
+
(-3)
-3
(i)
2
(
23
108
)
(ii)
7
36
(iii)
23
106
(iv)
23
108
(v)
25
108
Question
11
11.
The value of
2
(
-1
2
)
+
3
(
-3
2
)
(i)
(
-27
8
)
(ii)
(
-25
8
)
(iii)
2
(
-25
8
)
(iv)
(
-25
6
)
(v)
(
-23
8
)
Question
12
12.
The value of
-2
(
3
2
)
+
-2
(
2
3
)
(i)
97
36
(ii)
11
4
(iii)
95
36
(iv)
2
(
97
36
)
(v)
97
34
Question
13
13.
The value of
3
2
−
2
3
(i)
-1
(ii)
1
(iii)
2
(iv)
3
(v)
0
Question
14
14.
The value of
(-5)
-2
−
(-3)
-3
(i)
2
(
52
675
)
(ii)
52
673
(iii)
52
675
(iv)
2
27
(v)
2
25
Question
15
15.
The value of
3
(
-4
3
)
−
2
(
-5
3
)
(i)
(
-47
9
)
(ii)
2
(
-139
27
)
(iii)
(
-139
25
)
(iv)
(
-139
27
)
(v)
(
-137
27
)
Question
16
16.
The value of
-3
(
-3
2
)
−
-3
(
1
2
)
(i)
(
-226
27
)
(ii)
(
-224
27
)
(iii)
(
-224
25
)
(iv)
(
-74
9
)
(v)
2
(
-224
27
)
Question
17
17.
The value of
2
3
✕
3
2
(i)
72
2
(ii)
72
(iii)
74
(iv)
69
(v)
71
Question
18
18.
The value of
3
-3
✕
(-5)
-3
(i)
(
-1
1125
)
(ii)
2
(
-1
3375
)
(iii)
(
-1
3375
)
(iv)
1
3375
(v)
(
-1
3373
)
Question
19
19.
Find the value of
(-5)
3
(i)
-122
(ii)
-124
(iii)
-127
(iv)
-125
(v)
-126
Question
20
20.
Find the value of
(
-4
3
)
(-64)
(i)
1
258
(ii)
1
256
(iii)
1
254
(iv)
(
-1
256
)
(v)
3
256
Question
21
21.
(
d
4
+
e
4
)
0
=
(i)
4
(ii)
1
(iii)
d
4
+
e
4
(iv)
0
(v)
(-2)
Question
22
22.
-1
8
=
(i)
∞
(ii)
1
(iii)
undefined
(iv)
-1
(v)
0
Question
23
23.
-1
9
=
(i)
undefined
(ii)
0
(iii)
∞
(iv)
1
(v)
-1
Question
24
24.
10
0
=
(i)
1
(ii)
∞
(iii)
-1
(iv)
0
(v)
undefined
Question
25
25.
0
0
=
(i)
0
(ii)
-1
(iii)
undefined
(iv)
∞
(v)
1
Question
26
26.
-5
0
=
(i)
-1
(ii)
1
(iii)
undefined
(iv)
∞
(v)
0
Question
27
27.
0
3
=
(i)
0
(ii)
undefined
(iii)
-1
(iv)
1
(v)
∞
Question
28
28.
Simplify
3
-1
+
5
0
+
8
1
+
4
-1
(i)
115
12
(ii)
113
12
(iii)
19
2
(iv)
39
4
(v)
97
10
Assignment Key
1) (ii)
2) (iv)
3) (ii)
4) (i)
5) (iii)
6) (ii)
7) (i)
8) (v)
9) (iv)
10) (iv)
11) (ii)
12) (i)
13) (ii)
14) (iii)
15) (iv)
16) (ii)
17) (ii)
18) (iii)
19) (iv)
20) (ii)
21) (ii)
22) (ii)
23) (v)
24) (i)
25) (iii)
26) (ii)
27) (i)
28) (i)
