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
3
2
(i)
9
(ii)
1
(iii)
25
(iv)
3
(v)
27
Question
2
2.
Expand the following base power
4
-4
(i)
1
64
(ii)
1
1024
(iii)
1
16
(iv)
1
1296
(v)
1
256
Question
3
3.
Expand the following base power
(-2)
2
(i)
16
(ii)
-2
(iii)
-8
(iv)
-32
(v)
4
Question
4
4.
Expand the following base power
(-3)
-5
(i)
1
729
(ii)
(
-1
3125
)
(iii)
(
-1
243
)
(iv)
1
81
(v)
-1
Question
5
5.
Expand the following base power
5
(
4
5
)
(i)
7776
3125
(ii)
256
625
(iii)
1024
3125
(iv)
4096
15625
(v)
32
3125
Question
6
6.
Expand the following base power
-5
(
2
3
)
(i)
2187
128
(ii)
243
1024
(iii)
729
64
(iv)
243
32
(v)
81
16
Question
7
7.
Expand the following base power
3
(
-1
3
)
(i)
-1
(ii)
1
9
(iii)
1
27
(iv)
1
81
(v)
(
-1
27
)
Question
8
8.
Expand the following base power
-5
(
-5
3
)
(i)
81
625
(ii)
-1
(iii)
(
-243
3125
)
(iv)
(
-243
16807
)
(v)
729
15625
Question
9
9.
The value of
(-2)
3
+
2
2
(i)
-7
(ii)
-4
(iii)
(-4)
2
(iv)
-1
(v)
-5
Question
10
10.
The value of
2
-2
+
5
-3
(i)
2
(
129
500
)
(ii)
129
500
(iii)
127
500
(iv)
131
500
(v)
43
166
Question
11
11.
The value of
2
(
2
3
)
+
2
(
1
2
)
(i)
25
36
(ii)
25
34
(iii)
2
(
25
36
)
(iv)
3
4
(v)
23
36
Question
12
12.
The value of
-2
(
1
2
)
+
-2
(
-2
3
)
(i)
23
4
(ii)
2
(
25
4
)
(iii)
25
2
(iv)
27
4
(v)
25
4
Question
13
13.
The value of
(-4)
3
−
(-3)
2
(i)
-74
(ii)
-73
(iii)
(-73)
2
(iv)
-75
(v)
-70
Question
14
14.
The value of
(-2)
-3
−
(-4)
-2
(i)
2
(
-3
16
)
(ii)
(
-5
16
)
(iii)
(
-3
16
)
(iv)
(
-1
16
)
(v)
(
-3
14
)
Question
15
15.
The value of
2
(
1
3
)
−
2
(
3
2
)
(i)
2
(
-77
36
)
(ii)
(
-77
34
)
(iii)
(
-79
36
)
(iv)
(
-77
36
)
(v)
(
-25
12
)
Question
16
16.
The value of
-3
(
-2
3
)
−
-3
(
-3
2
)
(i)
(
-667
216
)
(ii)
(
-665
214
)
(iii)
2
(
-665
216
)
(iv)
(
-221
72
)
(v)
(
-665
216
)
Question
17
17.
The value of
(-3)
2
✕
3
3
(i)
242
(ii)
246
(iii)
243
2
(iv)
243
(v)
240
Question
18
18.
The value of
(-4)
-3
✕
(-4)
-2
(i)
(
-1
1022
)
(ii)
2
(
-1
1024
)
(iii)
(
-1
1024
)
(iv)
(
-3
1024
)
(v)
1
1024
Question
19
19.
Find the value of
(
5
3
)
125
(i)
3126
(ii)
3124
(iii)
3127
(iv)
3123
(v)
3125
Question
20
20.
Find the value of
(
-3
2
)
25
(i)
1
127
(ii)
1
123
(iii)
(
-1
125
)
(iv)
1
125
(v)
3
125
Question
21
21.
(
d
(-2)
+
e
(-2)
)
0
=
(i)
3
(ii)
(-1)
(iii)
d
(-2)
+
e
(-2)
(iv)
0
(v)
1
Question
22
22.
-1
6
=
(i)
1
(ii)
0
(iii)
-1
(iv)
undefined
(v)
∞
Question
23
23.
-1
7
=
(i)
-1
(ii)
1
(iii)
undefined
(iv)
∞
(v)
0
Question
24
24.
1
0
=
(i)
-1
(ii)
undefined
(iii)
0
(iv)
1
(v)
∞
Question
25
25.
0
0
=
(i)
1
(ii)
∞
(iii)
-1
(iv)
0
(v)
undefined
Question
26
26.
-9
0
=
(i)
1
(ii)
∞
(iii)
0
(iv)
undefined
(v)
-1
Question
27
27.
0
2
=
(i)
∞
(ii)
0
(iii)
-1
(iv)
1
(v)
undefined
Question
28
28.
Simplify
4
-1
+
6
0
+
9
1
+
5
-1
(i)
207
20
(ii)
229
22
(iii)
209
20
(iv)
21
2
(v)
211
20
Assignment Key
1) (i)
2) (v)
3) (v)
4) (iii)
5) (iii)
6) (iv)
7) (v)
8) (iii)
9) (ii)
10) (ii)
11) (i)
12) (v)
13) (ii)
14) (iii)
15) (iv)
16) (v)
17) (iv)
18) (iii)
19) (v)
20) (iv)
21) (v)
22) (i)
23) (i)
24) (iv)
25) (v)
26) (i)
27) (ii)
28) (iii)
