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
4
(i)
625
(ii)
4096
(iii)
16
(iv)
3125
(v)
125
Question
2
2.
Expand the following base power
3
-3
(i)
1
81
(ii)
1
9
(iii)
1
27
(iv)
1
216
(v)
1
Question
3
3.
Expand the following base power
(-3)
2
(i)
-27
(ii)
36
(iii)
9
(iv)
81
(v)
-3
Question
4
4.
Expand the following base power
(-5)
-4
(i)
1
81
(ii)
1
2401
(iii)
(
-1
3125
)
(iv)
(
-1
125
)
(v)
1
625
Question
5
5.
Expand the following base power
3
(
1
4
)
(i)
1
256
(ii)
27
64
(iii)
1
16
(iv)
1
64
(v)
(
-1
64
)
Question
6
6.
Expand the following base power
-4
(
1
5
)
(i)
625
(ii)
625
81
(iii)
3125
(iv)
125
Question
7
7.
Expand the following base power
2
(
-3
2
)
(i)
(
-27
8
)
(ii)
25
4
(iii)
9
4
(iv)
1
4
(v)
(
-3
2
)
Question
8
8.
Expand the following base power
-3
(
-2
5
)
(i)
(
-125
8
)
(ii)
0
(iii)
625
16
(iv)
25
4
(v)
(
-125
64
)
Question
9
9.
The value of
(-3)
3
✕
4
2
(i)
-433
(ii)
(-432)
2
(iii)
-432
(iv)
-430
(v)
-435
Question
10
10.
The value of
3
-3
✕
3
-3
(i)
729
-2
(ii)
729
-1
(iii)
726
-1
(iv)
730
-1
(v)
731
-1
Question
11
11.
The value of
2
(
-5
3
)
✕
3
(
-3
2
)
(i)
2
(
-75
8
)
(ii)
(
-77
8
)
(iii)
(
-75
8
)
(iv)
(
-25
2
)
(v)
(
-73
8
)
Question
12
12.
The value of
-3
(
-5
2
)
✕
-3
(
1
3
)
(i)
(
-216
125
)
(ii)
(
-218
125
)
(iii)
(
-72
41
)
(iv)
2
(
-216
125
)
(v)
(
-214
125
)
Question
13
13.
The value of
(-3)
3
÷
(-3)
2
(i)
(-3)
2
(ii)
-4
(iii)
-3
(iv)
-1
(v)
-6
Question
14
14.
The value of
(-2)
-3
÷
(-2)
-3
(i)
1
(ii)
2
-1
(iii)
(-1)
-1
(iv)
4
-1
Question
15
15.
The value of
2
(
-3
2
)
÷
2
(
5
3
)
(i)
81
98
(ii)
2
(
81
100
)
(iii)
83
100
(iv)
81
100
(v)
79
100
Question
16
16.
The value of
-3
(
-1
2
)
÷
-2
(
5
2
)
(i)
-53
(ii)
(-50)
2
(iii)
-50
(iv)
-51
(v)
-47
Question
17
17.
The multiplicative inverse of
2
-3
is
(i)
1
(ii)
0
(iii)
3
(
1
2
)
(iv)
(-2)
-3
(v)
2
3
Question
18
18.
The multiplicative inverse of
4
(
1
5
)
is
(i)
4
(
-1
5
)
(ii)
5
-4
(iii)
0
(iv)
1
(v)
-4
(
1
5
)
Question
19
19.
-2
(
1
4
)
+
-3
(
1
6
)
+
-3
(
1
3
)
=
(i)
257
(ii)
258
(iii)
260
(iv)
262
(v)
259
Question
20
20.
(
d
(-9)
+
e
(-9)
)
0
=
(i)
3
(ii)
0
(iii)
d
(-9)
+
e
(-9)
(iv)
(-1)
(v)
1
Question
21
21.
-1
6
=
(i)
-1
(ii)
undefined
(iii)
0
(iv)
∞
(v)
1
Question
22
22.
-1
9
=
(i)
∞
(ii)
undefined
(iii)
1
(iv)
0
(v)
-1
Question
23
23.
10
0
=
(i)
-1
(ii)
1
(iii)
∞
(iv)
0
(v)
undefined
Question
24
24.
0
0
=
(i)
-1
(ii)
undefined
(iii)
1
(iv)
∞
(v)
0
Question
25
25.
-5
0
=
(i)
-1
(ii)
1
(iii)
∞
(iv)
0
(v)
undefined
Question
26
26.
0
3
=
(i)
undefined
(ii)
1
(iii)
-1
(iv)
0
(v)
∞
Question
27
27.
Find the reciprocal of
7
9
(i)
9
(
-1
7
)
(ii)
10
(
1
7
)
(iii)
9
(
3
7
)
(iv)
8
(
1
7
)
(v)
9
(
1
7
)
Question
28
28.
Find the reciprocal of
5
(
-9
3
)
(i)
5
(
-3
9
)
(ii)
5
(
-1
9
)
(iii)
4
(
-3
9
)
(iv)
6
(
-3
9
)
(v)
5
(
-5
9
)
Question
29
29.
Simplify
6
-1
+
2
0
+
9
1
+
7
-1
(i)
453
44
(ii)
145
14
(iii)
433
42
(iv)
413
40
(v)
431
42
Assignment Key
1) (i)
2) (iii)
3) (iii)
4) (v)
5) (iv)
6) (i)
7) (iii)
8) (i)
9) (iii)
10) (ii)
11) (iii)
12) (i)
13) (iii)
14) (i)
15) (iv)
16) (iii)
17) (v)
18) (v)
19) (v)
20) (v)
21) (v)
22) (v)
23) (ii)
24) (ii)
25) (ii)
26) (iv)
27) (v)
28) (i)
29) (iii)
