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
5
2
(i)
9
(ii)
5
(iii)
25
(iv)
125
(v)
64
Question
2
2.
Expand the following base power
2
-2
(i)
1
16
(ii)
1
(iii)
1
8
(iv)
1
2
(v)
1
4
Question
3
3.
Expand the following base power
(-3)
3
(i)
81
(ii)
-125
(iii)
-27
(iv)
-1
(v)
9
Question
4
4.
Expand the following base power
(-4)
-3
(i)
-1
(ii)
(
-1
343
)
(iii)
(
-1
64
)
(iv)
1
16
(v)
1
256
Question
5
5.
Expand the following base power
5
(
2
5
)
(i)
32
3125
(ii)
16
625
(iii)
64
15625
(iv)
1024
3125
(v)
4
25
Question
6
6.
Expand the following base power
-5
(
4
5
)
(i)
3125
1024
(ii)
3125
7776
(iii)
15625
4096
(iv)
3125
32
(v)
625
256
Question
7
7.
Expand the following base power
2
(
-4
3
)
(i)
(
-4
3
)
(ii)
4
(iii)
4
9
(iv)
16
9
(v)
(
-64
27
)
Question
8
8.
Expand the following base power
-4
(
-1
5
)
(i)
625
(ii)
-3125
(iii)
625
81
(iv)
-125
Question
9
9.
The value of
3
3
✕
(-3)
2
(i)
243
2
(ii)
242
(iii)
243
(iv)
240
(v)
246
Question
10
10.
The value of
3
-3
✕
3
-2
(i)
246
-1
(ii)
243
-1
(iii)
243
-2
(iv)
244
-1
(v)
241
-1
Question
11
11.
The value of
2
(
-1
3
)
✕
3
(
-5
2
)
(i)
(
-25
14
)
(ii)
(
-125
72
)
(iii)
(
-127
72
)
(iv)
2
(
-125
72
)
(v)
(
-41
24
)
Question
12
12.
The value of
-2
(
-2
3
)
✕
-2
(
5
3
)
(i)
83
100
(ii)
2
(
81
100
)
(iii)
81
100
(iv)
79
100
(v)
81
98
Question
13
13.
The value of
(-2)
2
÷
(-5)
3
(i)
2
(
-4
125
)
(ii)
(
-4
123
)
(iii)
(
-6
125
)
(iv)
(
-4
125
)
(v)
(
-2
125
)
Question
14
14.
The value of
2
-2
÷
2
-2
(i)
4
-1
(ii)
2
-1
(iii)
(-2)
-1
(iv)
1
Question
15
15.
The value of
2
(
-5
2
)
÷
2
(
4
3
)
(i)
227
64
(ii)
225
62
(iii)
2
(
225
64
)
(iv)
225
64
(v)
223
64
Question
16
16.
The value of
-2
(
1
3
)
÷
-2
(
-1
2
)
(i)
9
2
(ii)
11
4
(iii)
7
4
(iv)
9
4
(v)
2
(
9
4
)
Question
17
17.
The multiplicative inverse of
2
-5
is
(i)
2
5
(ii)
0
(iii)
5
(
1
2
)
(iv)
(-2)
-5
(v)
1
Question
18
18.
The multiplicative inverse of
4
(
1
8
)
is
(i)
8
-4
(ii)
0
(iii)
-4
(
1
8
)
(iv)
1
(v)
4
(
-1
8
)
Question
19
19.
-4
(
1
2
)
+
-4
(
1
6
)
+
-2
(
1
3
)
=
(i)
1319
(ii)
1321
(iii)
1322
(iv)
1320
(v)
1323
Question
20
20.
(
h
7
+
i
7
)
0
=
(i)
h
7
+
i
7
(ii)
1
(iii)
0
(iv)
3
(v)
(-2)
Question
21
21.
-1
8
=
(i)
1
(ii)
∞
(iii)
-1
(iv)
undefined
(v)
0
Question
22
22.
-1
5
=
(i)
undefined
(ii)
-1
(iii)
∞
(iv)
1
(v)
0
Question
23
23.
6
0
=
(i)
undefined
(ii)
0
(iii)
1
(iv)
∞
(v)
-1
Question
24
24.
0
0
=
(i)
-1
(ii)
1
(iii)
0
(iv)
undefined
(v)
∞
Question
25
25.
-10
0
=
(i)
-1
(ii)
0
(iii)
∞
(iv)
1
(v)
undefined
Question
26
26.
0
1
=
(i)
-1
(ii)
0
(iii)
∞
(iv)
1
(v)
undefined
Question
27
27.
Find the reciprocal of
5
9
(i)
9
(
1
5
)
(ii)
9
(
-1
5
)
(iii)
9
(
3
5
)
(iv)
10
(
1
5
)
(v)
8
(
1
5
)
Question
28
28.
Find the reciprocal of
3
(
-9
4
)
(i)
3
(
-4
9
)
(ii)
3
(
-2
3
)
(iii)
4
(
-4
9
)
(iv)
2
(
-4
9
)
(v)
3
(
-2
9
)
Question
29
29.
Simplify
2
-1
+
8
0
+
5
1
+
7
-1
(i)
27
4
(ii)
93
14
(iii)
13
2
(iv)
95
14
(v)
105
16
Assignment Key
1) (iii)
2) (v)
3) (iii)
4) (iii)
5) (i)
6) (i)
7) (iv)
8) (i)
9) (iii)
10) (ii)
11) (ii)
12) (iii)
13) (iv)
14) (iv)
15) (iv)
16) (iv)
17) (i)
18) (iii)
19) (ii)
20) (ii)
21) (i)
22) (ii)
23) (iii)
24) (iv)
25) (iv)
26) (ii)
27) (i)
28) (i)
29) (ii)
