EduSahara™ Assignment
Name : Evaluation of Base Power Expressions
Chapter : Exponents
Grade : ICSE Grade VII
License : Non Commercial Use
Question
1
1.
Expand the following base power
4
5
(i)
1024
(ii)
16807
(iii)
32
(iv)
256
(v)
4096
Question
2
2.
Expand the following base power
3
-5
(i)
1
7776
(ii)
1
729
(iii)
1
6561
(iv)
1
243
(v)
1
81
Question
3
3.
Expand the following base power
(-3)
2
(i)
-27
(ii)
1
(iii)
9
(iv)
36
(v)
-3
Question
4
4.
Expand the following base power
(-3)
-5
(i)
(
-1
243
)
(ii)
1
81
(iii)
1
729
(iv)
(
-1
7776
)
(v)
-1
Question
5
5.
Expand the following base power
3
(
4
3
)
(i)
256
81
(ii)
64
27
(iii)
16
9
(iv)
8
(v)
8
27
Question
6
6.
Expand the following base power
-3
(
1
4
)
(i)
-64
(ii)
64
27
(iii)
16
(iv)
256
(v)
64
Question
7
7.
Expand the following base power
4
(
-2
3
)
(i)
(
-32
243
)
(ii)
256
81
(iii)
(
-8
27
)
(iv)
(
-128
2187
)
(v)
16
81
Question
8
8.
Expand the following base power
-5
(
-3
4
)
(i)
(
-1024
243
)
(ii)
-1024
(iii)
(
-1024
3125
)
(iv)
256
81
(v)
4096
729
Question
9
9.
The value of
3
3
✕
(-2)
2
(i)
108
(ii)
108
2
(iii)
107
(iv)
110
(v)
106
Question
10
10.
The value of
5
-2
✕
(-4)
-2
(i)
400
-1
(ii)
397
-1
(iii)
401
-1
(iv)
400
-2
(v)
403
-1
Question
11
11.
The value of
3
(
5
3
)
✕
2
(
-3
2
)
(i)
125
12
(ii)
127
12
(iii)
25
2
(iv)
2
(
125
12
)
(v)
41
4
Question
12
12.
The value of
-2
(
-1
3
)
✕
-3
(
-4
3
)
(i)
(
-243
62
)
(ii)
(
-245
64
)
(iii)
(
-243
64
)
(iv)
(
-241
64
)
(v)
2
(
-243
64
)
Question
13
13.
The value of
(-5)
3
÷
5
2
(i)
-2
(ii)
-5
(iii)
-6
(iv)
(-5)
2
(v)
-7
Question
14
14.
The value of
(-2)
-2
÷
4
-2
(i)
-1
(
1
6
)
(ii)
-1
(
-1
4
)
(iii)
-1
(
3
4
)
(iv)
-1
(
1
4
)
(v)
-2
(
1
4
)
Question
15
15.
The value of
2
(
1
3
)
÷
2
(
5
3
)
(i)
25
-1
(ii)
26
-1
(iii)
25
-2
(iv)
28
-1
(v)
23
-1
Question
16
16.
The value of
-3
(
1
2
)
÷
-3
(
1
2
)
(i)
(-1)
-1
(ii)
2
-1
(iii)
4
-1
(iv)
1
Question
17
17.
The multiplicative inverse of
3
-5
is
(i)
(-3)
-5
(ii)
3
5
(iii)
1
(iv)
0
(v)
5
(
1
3
)
Question
18
18.
The multiplicative inverse of
3
(
1
7
)
is
(i)
7
-3
(ii)
1
(iii)
0
(iv)
-3
(
1
7
)
(v)
3
(
-1
7
)
Question
19
19.
-4
(
1
2
)
+
-2
(
1
4
)
=
(i)
30
(ii)
33
(iii)
32
(iv)
35
(v)
31
Question
20
20.
(
c
(-8)
+
d
(-8)
)
0
=
(i)
3
(ii)
0
(iii)
c
(-8)
+
d
(-8)
(iv)
(-1)
(v)
1
Question
21
21.
-1
6
=
(i)
-1
(ii)
1
(iii)
∞
(iv)
undefined
(v)
0
Question
22
22.
-1
7
=
(i)
undefined
(ii)
1
(iii)
0
(iv)
-1
(v)
∞
Question
23
23.
6
0
=
(i)
0
(ii)
-1
(iii)
undefined
(iv)
1
(v)
∞
Question
24
24.
0
0
=
(i)
-1
(ii)
0
(iii)
1
(iv)
∞
(v)
undefined
Question
25
25.
-3
0
=
(i)
0
(ii)
1
(iii)
∞
(iv)
undefined
(v)
-1
Question
26
26.
0
1
=
(i)
1
(ii)
undefined
(iii)
∞
(iv)
-1
(v)
0
Question
27
27.
Find the reciprocal of
5
7
(i)
6
(
1
5
)
(ii)
7
(
1
5
)
(iii)
7
(
-1
5
)
(iv)
7
(
3
5
)
(v)
8
(
1
5
)
Question
28
28.
Find the reciprocal of
9
(
-9
7
)
(i)
9
(
-7
9
)
(ii)
(-1)
9
(iii)
8
(
-7
9
)
(iv)
10
(
-7
9
)
(v)
9
(
-5
9
)
Question
29
29.
Simplify
6
-1
+
8
0
+
4
1
+
7
-1
(i)
75
14
(ii)
213
40
(iii)
223
42
(iv)
233
44
(v)
221
42
Assignment Key
1) (i)
2) (iv)
3) (iii)
4) (i)
5) (ii)
6) (v)
7) (v)
8) (i)
9) (i)
10) (i)
11) (i)
12) (iii)
13) (ii)
14) (iv)
15) (i)
16) (iv)
17) (ii)
18) (iv)
19) (iii)
20) (v)
21) (ii)
22) (iv)
23) (iv)
24) (v)
25) (ii)
26) (v)
27) (ii)
28) (i)
29) (iii)
