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
2
(i)
49
(ii)
64
(iii)
16
(iv)
4
Question
2
2.
Expand the following base power
5
-2
(i)
1
64
(ii)
1
125
(iii)
1
5
(iv)
1
25
(v)
1
4
Question
3
3.
Expand the following base power
(-5)
2
(i)
-125
(ii)
49
(iii)
25
(iv)
-5
(v)
4
Question
4
4.
Expand the following base power
(-4)
-5
(i)
1
4096
(ii)
(
-1
1024
)
(iii)
1
256
(iv)
-1
(v)
(
-1
7776
)
Question
5
5.
Expand the following base power
4
(
5
4
)
(i)
125
64
(ii)
3125
1024
(iii)
625
256
(iv)
81
256
(v)
2401
256
Question
6
6.
Expand the following base power
-4
(
5
4
)
(i)
256
81
(ii)
64
125
(iii)
256
625
(iv)
1024
3125
(v)
256
2401
Question
7
7.
Expand the following base power
5
(
-3
4
)
(i)
81
256
(ii)
(
-3125
1024
)
(iii)
729
4096
(iv)
(
-243
1024
)
(v)
(
-1
1024
)
Question
8
8.
Expand the following base power
-2
(
-5
3
)
(i)
(
-27
125
)
(ii)
(
-3
5
)
(iii)
9
49
(iv)
9
25
(v)
1
Question
9
9.
The value of
4
3
✕
3
3
(i)
1728
2
(ii)
1728
(iii)
1727
(iv)
1731
(v)
1725
Question
10
10.
The value of
4
-3
✕
(-2)
-3
(i)
(
-1
512
)
(ii)
(
-1
510
)
(iii)
2
(
-1
512
)
(iv)
1
512
(v)
(
-3
512
)
Question
11
11.
The value of
3
(
-2
3
)
✕
3
(
-5
2
)
(i)
41
9
(ii)
125
27
(iii)
127
27
(iv)
5
(v)
2
(
125
27
)
Question
12
12.
The value of
-3
(
3
2
)
✕
-2
(
-1
3
)
(i)
10
3
(ii)
8
(iii)
2
(
8
3
)
(iv)
8
3
(v)
2
Question
13
13.
The value of
5
2
÷
3
3
(i)
1
(ii)
2
(
25
27
)
(iii)
25
27
(iv)
23
27
Question
14
14.
The value of
4
-2
÷
4
-2
(i)
3
-1
(ii)
(-1)
-1
(iii)
1
(iv)
2
-1
Question
15
15.
The value of
3
(
5
3
)
÷
3
(
2
3
)
(i)
125
6
(ii)
127
8
(iii)
123
8
(iv)
125
8
(v)
2
(
125
8
)
Question
16
16.
The value of
-3
(
4
3
)
÷
-3
(
5
2
)
(i)
3377
512
(ii)
3375
512
(iii)
3373
512
(iv)
2
(
3375
512
)
(v)
225
34
Question
17
17.
The multiplicative inverse of
8
-2
is
(i)
8
2
(ii)
(-8)
-2
(iii)
1
(iv)
2
(
1
8
)
(v)
0
Question
18
18.
The multiplicative inverse of
8
(
1
6
)
is
(i)
8
(
-1
6
)
(ii)
1
(iii)
-8
(
1
6
)
(iv)
0
(v)
6
-8
Question
19
19.
-4
(
1
6
)
+
-4
(
1
4
)
=
(i)
1555
(ii)
1550
(iii)
1551
(iv)
1553
(v)
1552
Question
20
20.
(
h
(-9)
+
i
(-9)
)
0
=
(i)
3
(ii)
h
(-9)
+
i
(-9)
(iii)
1
(iv)
0
(v)
(-1)
Question
21
21.
-1
6
=
(i)
-1
(ii)
∞
(iii)
1
(iv)
undefined
(v)
0
Question
22
22.
-1
9
=
(i)
0
(ii)
∞
(iii)
-1
(iv)
1
(v)
undefined
Question
23
23.
7
0
=
(i)
∞
(ii)
-1
(iii)
undefined
(iv)
0
(v)
1
Question
24
24.
0
0
=
(i)
1
(ii)
∞
(iii)
undefined
(iv)
-1
(v)
0
Question
25
25.
-2
0
=
(i)
0
(ii)
-1
(iii)
1
(iv)
∞
(v)
undefined
Question
26
26.
0
4
=
(i)
1
(ii)
0
(iii)
undefined
(iv)
-1
(v)
∞
Question
27
27.
Find the reciprocal of
9
8
(i)
9
(
1
9
)
(ii)
8
(
1
3
)
(iii)
8
(
1
9
)
(iv)
7
(
1
9
)
(v)
8
(
-1
9
)
Question
28
28.
Find the reciprocal of
6
(
-8
4
)
(i)
7
(
-4
8
)
(ii)
5
(
-4
8
)
(iii)
6
(
-3
4
)
(iv)
6
(
-1
4
)
(v)
6
(
-4
8
)
Question
29
29.
Simplify
7
-1
+
2
0
+
5
1
+
3
-1
(i)
136
21
(ii)
46
7
(iii)
148
23
(iv)
124
19
(v)
134
21
Assignment Key
1) (iii)
2) (iv)
3) (iii)
4) (ii)
5) (iii)
6) (iii)
7) (iv)
8) (iv)
9) (ii)
10) (i)
11) (ii)
12) (iv)
13) (iii)
14) (iii)
15) (iv)
16) (ii)
17) (i)
18) (iii)
19) (v)
20) (iii)
21) (iii)
22) (iii)
23) (v)
24) (iii)
25) (iii)
26) (ii)
27) (iii)
28) (v)
29) (i)
