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
3
2
(i)
1
(ii)
27
(iii)
9
(iv)
36
(v)
3
Question
2
2.
Expand the following base power
2
-5
(i)
1
1024
(ii)
1
32
(iii)
1
16
(iv)
1
256
(v)
1
64
Question
3
3.
Expand the following base power
(-5)
5
(i)
15625
(ii)
-32
(iii)
625
(iv)
-3125
(v)
-32768
Question
4
4.
Expand the following base power
(-5)
-2
(i)
(
-1
125
)
(ii)
1
4
(iii)
1
25
(iv)
(
-1
5
)
(v)
1
49
Question
5
5.
(-4)
-2
=
(i)
2
(
1
4
)
(ii)
2
(
-1
4
)
(iii)
(
-1
4
)
(iv)
3
(
-1
4
)
(v)
2
(
-3
4
)
Question
6
6.
Expand the following base power
4
(
1
3
)
(i)
1
81
(ii)
1
243
(iii)
1
27
(iv)
1
Question
7
7.
Expand the following base power
-2
(
5
2
)
(i)
4
49
(ii)
4
9
(iii)
2
5
(iv)
4
25
(v)
8
125
Question
8
8.
Expand the following base power
4
(
-3
5
)
(i)
(
-243
3125
)
(ii)
1
(iii)
1
625
(iv)
81
625
(v)
(
-27
125
)
Question
9
9.
Expand the following base power
-4
(
-5
4
)
(i)
256
625
(ii)
256
81
(iii)
(
-64
125
)
(iv)
(
-1024
3125
)
(v)
256
2401
Question
10
10.
The value of
5
2
+
(-3)
2
(i)
34
(ii)
34
2
(iii)
33
(iv)
37
(v)
32
Question
11
11.
The value of
(-3)
-2
+
(-4)
-3
(i)
55
576
(ii)
2
(
55
576
)
(iii)
55
574
(iv)
19
192
(v)
53
576
Question
12
12.
The value of
3
(
4
3
)
+
2
(
-2
3
)
(i)
2
(
76
27
)
(ii)
76
27
(iii)
74
27
(iv)
76
25
(v)
26
9
Question
13
13.
The value of
-2
(
-5
3
)
+
-2
(
-5
3
)
(i)
18
23
(ii)
4
5
(iii)
16
25
(iv)
2
(
18
25
)
(v)
18
25
Question
14
14.
The value of
(-3)
2
−
(-5)
2
(i)
-17
(ii)
-16
(iii)
-18
(iv)
-14
(v)
(-16)
2
Question
15
15.
The value of
5
-3
−
(-2)
-3
(i)
133
998
(ii)
133
1000
(iii)
2
(
133
1000
)
(iv)
27
200
(v)
131
1000
Question
16
16.
The value of
2
(
-4
3
)
−
2
(
5
3
)
(i)
-4
(ii)
-2
(iii)
1
(iv)
(-1)
2
(v)
-1
Question
17
17.
The value of
-3
(
1
3
)
−
-2
(
-3
2
)
(i)
2
(
239
9
)
(ii)
239
9
(iii)
239
7
(iv)
241
9
(v)
79
3
Question
18
18.
The value of
(-2)
2
✕
(-5)
3
(i)
-500
(ii)
(-500)
2
(iii)
-501
(iv)
-497
(v)
-502
Question
19
19.
The value of
5
-2
✕
(-3)
-3
(i)
(
-1
673
)
(ii)
(
-1
675
)
(iii)
1
675
(iv)
2
(
-1
675
)
(v)
(
-1
225
)
Question
20
20.
The value of
2
(
1
3
)
✕
3
(
-1
2
)
(i)
(
-1
24
)
(ii)
2
(
-1
72
)
(iii)
(
-1
72
)
(iv)
1
72
(v)
(
-1
70
)
Question
21
21.
The value of
-3
(
-4
3
)
✕
-3
(
2
3
)
(i)
(
-243
170
)
(ii)
(
-729
512
)
(iii)
(
-727
512
)
(iv)
(
-731
512
)
(v)
2
(
-729
512
)
Question
22
22.
The value of
(-3)
3
÷
(-5)
2
(i)
(
-27
25
)
(ii)
-1
(iii)
2
(
-27
25
)
(iv)
(
-27
23
)
(v)
(
-29
25
)
Question
23
23.
The value of
4
-2
÷
4
-3
(i)
4
2
(ii)
2
(iii)
4
(iv)
6
(v)
3
Question
24
24.
The value of
2
(
5
2
)
÷
3
(
1
2
)
(i)
49
(ii)
48
(iii)
50
2
(iv)
50
(v)
53
Question
25
25.
The value of
-2
(
-5
2
)
÷
-3
(
2
3
)
(i)
32
673
(ii)
2
45
(iii)
2
(
32
675
)
(iv)
32
675
(v)
34
675
Question
26
26.
-3
(
1
4
)
+
-2
(
1
5
)
+
-3
(
1
2
)
+
-4
(
1
6
)
=
(i)
1396
(ii)
1392
(iii)
1394
(iv)
1391
(v)
1393
Question
27
27.
[
(
7
5
)
3
✕
(
7
5
)
2
]
÷
7
25
(i)
4
(ii)
0
(iii)
1
(iv)
7
(v)
2
Question
28
28.
[
-9
(
5
3
)
✕
-9
(
9
6
)
]
÷
[
9
(
3
5
)
✕
9
(
6
9
)
]
=
(i)
(-1)
(ii)
0
(iii)
1
(iv)
9
6
(v)
5
3
Question
29
29.
Simplify
6
-1
+
3
0
+
9
1
+
7
-1
(i)
145
14
(ii)
413
40
(iii)
433
42
(iv)
453
44
(v)
431
42
Assignment Key
1) (iii)
2) (ii)
3) (iv)
4) (iii)
5) (ii)
6) (i)
7) (iv)
8) (iv)
9) (i)
10) (i)
11) (i)
12) (ii)
13) (v)
14) (ii)
15) (ii)
16) (v)
17) (ii)
18) (i)
19) (ii)
20) (iii)
21) (ii)
22) (i)
23) (iii)
24) (iv)
25) (iv)
26) (v)
27) (iii)
28) (iii)
29) (iii)
