EduSahara™ Assignment
Name : Finding Values of Expressions
Chapter : Exponents and Powers
Grade : CBSE Grade VIII
License : Non Commercial Use
Question
1
1.
Expand the following base power
5
4
(i)
625
(ii)
3125
(iii)
4096
(iv)
81
(v)
125
Question
2
2.
Expand the following base power
2
-3
(i)
1
4
(ii)
1
125
(iii)
1
16
(iv)
1
8
(v)
1
32
Question
3
3.
Expand the following base power
(-2)
4
(i)
256
(ii)
-32
(iii)
16
(iv)
-8
(v)
64
Question
4
4.
Expand the following base power
(-5)
-4
(i)
1
625
(ii)
(
-1
125
)
(iii)
1
81
(iv)
1
4096
(v)
(
-1
3125
)
Question
5
5.
3
-9
=
(i)
9
(
-1
3
)
(ii)
10
(
1
3
)
(iii)
9
(
1
3
)
(iv)
8
(
1
3
)
(v)
1
Question
6
6.
Expand the following base power
4
(
1
3
)
(i)
1
81
(ii)
1
27
(iii)
1
(iv)
1
243
Question
7
7.
Expand the following base power
-5
(
5
3
)
(i)
243
3125
(ii)
1
(iii)
243
16807
(iv)
81
625
(v)
729
15625
Question
8
8.
Expand the following base power
3
(
-1
3
)
(i)
1
81
(ii)
-1
(iii)
(
-1
27
)
(iv)
1
27
(v)
1
9
Question
9
9.
Expand the following base power
-4
(
-5
4
)
(i)
(
-1024
3125
)
(ii)
256
81
(iii)
(
-64
125
)
(iv)
256
2401
(v)
256
625
Question
10
10.
The value of
(-2)
3
+
(-3)
3
(i)
(-35)
2
(ii)
-37
(iii)
-35
(iv)
-36
(v)
-33
Question
11
11.
The value of
5
-2
+
4
-3
(i)
91
1600
(ii)
89
1598
(iii)
87
1600
(iv)
2
(
89
1600
)
(v)
89
1600
Question
12
12.
The value of
2
(
5
2
)
+
3
(
1
2
)
(i)
51
8
(ii)
17
2
(iii)
53
8
(iv)
49
8
(v)
2
(
51
8
)
Question
13
13.
The value of
-3
(
-3
2
)
+
-2
(
1
3
)
(i)
235
27
(ii)
2
(
235
27
)
(iii)
79
9
(iv)
233
27
(v)
47
5
Question
14
14.
The value of
3
2
−
(-2)
3
(i)
20
(ii)
17
(iii)
16
(iv)
14
(v)
17
2
Question
15
15.
The value of
(-3)
-3
−
(-3)
-3
(i)
-3
(ii)
0
(iii)
-1
(iv)
2
Question
16
16.
The value of
2
(
-3
2
)
−
2
(
5
3
)
(i)
(
-19
36
)
(ii)
(
-17
36
)
(iii)
(
-19
34
)
(iv)
(
-7
12
)
(v)
2
(
-19
36
)
Question
17
17.
The value of
-3
(
-5
2
)
−
-3
(
-5
2
)
(i)
2
(ii)
-1
(iii)
-2
(iv)
0
Question
18
18.
The value of
4
2
✕
3
2
(i)
144
(ii)
142
(iii)
144
2
(iv)
143
(v)
146
Question
19
19.
The value of
(-3)
-2
✕
5
-3
(i)
1125
-1
(ii)
1125
-2
(iii)
1126
-1
(iv)
1122
-1
(v)
1128
-1
Question
20
20.
The value of
2
(
5
3
)
✕
3
(
-1
2
)
(i)
(
-5
14
)
(ii)
(
-25
72
)
(iii)
(
-23
72
)
(iv)
2
(
-25
72
)
(v)
(
-3
8
)
Question
21
21.
The value of
-3
(
3
2
)
✕
-2
(
5
2
)
(i)
32
673
(ii)
2
45
(iii)
34
675
(iv)
2
(
32
675
)
(v)
32
675
Question
22
22.
The value of
5
2
÷
(-4)
2
(i)
25
16
(ii)
27
16
(iii)
25
14
(iv)
2
(
25
16
)
(v)
23
16
Question
23
23.
The value of
2
-2
÷
4
-3
(i)
-2
(
3
4
)
(ii)
-2
(
-1
4
)
(iii)
-3
(
1
4
)
(iv)
-2
(
1
4
)
(v)
-1
(
1
4
)
Question
24
24.
The value of
3
(
4
3
)
÷
3
(
-1
2
)
(i)
2
(
-512
27
)
(ii)
(
-512
25
)
(iii)
(
-514
27
)
(iv)
(
-170
9
)
(v)
(
-512
27
)
Question
25
25.
The value of
-2
(
4
3
)
÷
-3
(
1
2
)
(i)
11
128
(ii)
7
128
(iii)
2
(
9
128
)
(iv)
1
14
(v)
9
128
Question
26
26.
-2
(
1
5
)
+
-3
(
1
6
)
=
(i)
242
(ii)
241
(iii)
240
(iv)
238
(v)
243
Question
27
27.
[
(
8
5
)
5
✕
(
8
4
)
6
]
÷
8
49
(i)
8
(ii)
2
(iii)
0
(iv)
1
(v)
4
Question
28
28.
[
-2
(
5
7
)
✕
-2
(
6
9
)
]
÷
[
2
(
7
5
)
✕
2
(
9
6
)
]
=
(i)
5
7
(ii)
0
(iii)
1
(iv)
6
9
(v)
(-1)
Question
29
29.
Simplify
5
-1
+
6
0
+
7
1
+
9
-1
(i)
374
45
(ii)
124
15
(iii)
376
45
(iv)
358
43
(v)
390
47
Assignment Key
1) (i)
2) (iv)
3) (iii)
4) (i)
5) (iii)
6) (i)
7) (i)
8) (iii)
9) (v)
10) (iii)
11) (v)
12) (i)
13) (i)
14) (ii)
15) (ii)
16) (i)
17) (iv)
18) (i)
19) (i)
20) (ii)
21) (v)
22) (i)
23) (iv)
24) (v)
25) (v)
26) (ii)
27) (iv)
28) (iii)
29) (i)
