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
3
3
(i)
81
(ii)
3
(iii)
9
(iv)
125
(v)
27
Question
2
2.
Expand the following base power
4
-2
(i)
1
49
(ii)
1
64
(iii)
1
16
(iv)
1
(v)
1
4
Question
3
3.
Expand the following base power
(-4)
4
(i)
256
(ii)
1
(iii)
-1024
(iv)
1296
(v)
-64
Question
4
4.
Expand the following base power
(-2)
-5
(i)
(
-1
32
)
(ii)
1
64
(iii)
1
16
(iv)
1
4
(v)
(
-1
3125
)
Question
5
5.
Expand the following base power
5
(
5
2
)
(i)
243
32
(ii)
625
16
(iii)
15625
64
(iv)
16807
32
(v)
3125
32
Question
6
6.
Expand the following base power
-4
(
1
3
)
(i)
27
(ii)
1
(iii)
81
(iv)
243
Question
7
7.
Expand the following base power
3
(
-2
5
)
(i)
16
625
(ii)
4
25
(iii)
(
-64
125
)
(iv)
(
-8
125
)
(v)
64
15625
Question
8
8.
Expand the following base power
-5
(
-4
5
)
(i)
(
-3125
32
)
(ii)
(
-3125
1024
)
(iii)
15625
4096
(iv)
(
-3125
7776
)
(v)
625
256
Question
9
9.
The value of
4
2
✕
(-2)
2
(i)
63
(ii)
62
(iii)
64
(iv)
64
2
(v)
67
Question
10
10.
The value of
(-2)
-3
✕
2
-3
(i)
(
-3
64
)
(ii)
(
-1
64
)
(iii)
1
64
(iv)
(
-1
62
)
(v)
2
(
-1
64
)
Question
11
11.
The value of
2
(
-3
2
)
✕
3
(
1
3
)
(i)
10
-1
(ii)
12
-1
(iii)
12
-2
(iv)
14
-1
(v)
13
-1
Question
12
12.
The value of
-2
(
1
2
)
✕
-2
(
-2
3
)
(i)
8
(ii)
7
(iii)
9
(iv)
11
(v)
9
2
Question
13
13.
The value of
(-3)
3
÷
5
2
(i)
-1
(ii)
2
(
-27
25
)
(iii)
(
-27
25
)
(iv)
(
-29
25
)
(v)
(
-27
23
)
Question
14
14.
The value of
4
-2
÷
2
-2
(i)
5
-1
(ii)
7
-1
(iii)
4
-2
(iv)
2
-1
(v)
4
-1
Question
15
15.
The value of
3
(
2
3
)
÷
3
(
5
2
)
(i)
64
3375
(ii)
64
3373
(iii)
22
1125
(iv)
2
(
64
3375
)
(v)
62
3375
Question
16
16.
The value of
-2
(
-5
2
)
÷
-3
(
5
3
)
(i)
22
27
(ii)
2
3
(iii)
20
27
(iv)
4
5
(v)
2
(
20
27
)
Question
17
17.
The multiplicative inverse of
9
-2
is
(i)
1
(ii)
2
(
1
9
)
(iii)
0
(iv)
(-9)
-2
(v)
9
2
Question
18
18.
The multiplicative inverse of
5
(
1
4
)
is
(i)
5
(
-1
4
)
(ii)
0
(iii)
4
-5
(iv)
1
(v)
-5
(
1
4
)
Question
19
19.
-4
(
1
2
)
+
-4
(
1
2
)
+
-2
(
1
3
)
+
-2
(
1
3
)
=
(i)
51
(ii)
50
(iii)
47
(iv)
52
(v)
49
Question
20
20.
(
h
(-6)
+
i
(-6)
)
0
=
(i)
4
(ii)
1
(iii)
(-1)
(iv)
h
(-6)
+
i
(-6)
(v)
0
Question
21
21.
-1
2
=
(i)
0
(ii)
∞
(iii)
-1
(iv)
1
(v)
undefined
Question
22
22.
-1
7
=
(i)
∞
(ii)
undefined
(iii)
0
(iv)
-1
(v)
1
Question
23
23.
4
0
=
(i)
∞
(ii)
undefined
(iii)
0
(iv)
-1
(v)
1
Question
24
24.
0
0
=
(i)
∞
(ii)
undefined
(iii)
0
(iv)
-1
(v)
1
Question
25
25.
-10
0
=
(i)
undefined
(ii)
0
(iii)
-1
(iv)
∞
(v)
1
Question
26
26.
0
1
=
(i)
0
(ii)
-1
(iii)
undefined
(iv)
∞
(v)
1
Question
27
27.
Find the reciprocal of
7
4
(i)
5
(
1
7
)
(ii)
3
(
1
7
)
(iii)
4
(
-1
7
)
(iv)
4
(
1
7
)
(v)
4
(
3
7
)
Question
28
28.
Find the reciprocal of
3
(
-6
2
)
(i)
3
(
-2
6
)
(ii)
5
(
-2
6
)
(iii)
4
(
-2
6
)
(iv)
2
(
-2
6
)
(v)
3
(
-2
3
)
Question
29
29.
Simplify
7
-1
+
2
0
+
8
1
+
9
-1
(i)
565
61
(ii)
583
63
(iii)
83
9
(iv)
65
7
(v)
601
65
Assignment Key
1) (v)
2) (iii)
3) (i)
4) (i)
5) (v)
6) (iii)
7) (iv)
8) (ii)
9) (iii)
10) (ii)
11) (ii)
12) (iii)
13) (iii)
14) (v)
15) (i)
16) (iii)
17) (v)
18) (v)
19) (ii)
20) (ii)
21) (iv)
22) (iv)
23) (v)
24) (ii)
25) (v)
26) (i)
27) (iv)
28) (i)
29) (ii)
