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
2
5
(i)
64
(ii)
32
(iii)
16
(iv)
3125
(v)
-1
Question
2
2.
Expand the following base power
5
-5
(i)
1
16807
(ii)
1
15625
(iii)
1
3125
(iv)
1
625
(v)
1
32
Question
3
3.
Expand the following base power
(-2)
4
(i)
625
(ii)
16
(iii)
1
(iv)
-32
(v)
-8
Question
4
4.
Expand the following base power
(-3)
-4
(i)
(
-1
243
)
(ii)
1
81
(iii)
(
-1
3
)
(iv)
1
625
(v)
(
-1
27
)
Question
5
5.
(-7)
-3
=
(i)
4
(
-1
7
)
(ii)
3
(
1
7
)
(iii)
3
(
-3
7
)
(iv)
3
(
-1
7
)
(v)
2
(
-1
7
)
Question
6
6.
Expand the following base power
5
(
5
3
)
(i)
15625
729
(ii)
3125
243
(iii)
1
(iv)
16807
243
(v)
625
81
Question
7
7.
Expand the following base power
-2
(
3
2
)
(i)
8
27
(ii)
4
25
(iii)
4
(iv)
4
9
(v)
2
3
Question
8
8.
Expand the following base power
3
(
-4
3
)
(i)
(
-8
27
)
(ii)
16
9
(iii)
(
-64
27
)
(iv)
-8
(v)
256
81
Question
9
9.
Expand the following base power
-2
(
-5
4
)
(i)
16
25
(ii)
(
-4
5
)
(iii)
16
9
(iv)
16
49
(v)
(
-64
125
)
Question
10
10.
The value of
5
3
+
(-2)
2
(i)
132
(ii)
126
(iii)
129
2
(iv)
129
(v)
128
Question
11
11.
The value of
(-5)
-3
+
2
-3
(i)
2
(
117
1000
)
(ii)
117
1000
(iii)
117
998
(iv)
119
1000
(v)
23
200
Question
12
12.
The value of
3
(
1
3
)
+
2
(
-2
3
)
(i)
13
27
(ii)
2
(
13
27
)
(iii)
13
25
(iv)
11
27
(v)
5
9
Question
13
13.
The value of
-2
(
-5
3
)
+
-2
(
-1
2
)
(i)
107
25
(ii)
2
(
109
25
)
(iii)
111
25
(iv)
109
25
(v)
109
23
Question
14
14.
The value of
3
2
−
2
2
(i)
3
(ii)
5
2
(iii)
7
(iv)
4
(v)
5
Question
15
15.
The value of
(-3)
-2
−
(-3)
-2
(i)
-2
(ii)
0
(iii)
-1
(iv)
3
Question
16
16.
The value of
2
(
-5
2
)
−
2
(
-3
2
)
(i)
3
(ii)
1
(iii)
4
2
(iv)
4
(v)
6
Question
17
17.
The value of
-3
(
-3
2
)
−
-2
(
4
3
)
(i)
(
-371
432
)
(ii)
2
(
-371
432
)
(iii)
(
-41
48
)
(iv)
(
-371
430
)
(v)
(
-373
432
)
Question
18
18.
The value of
3
2
✕
(-2)
3
(i)
(-72)
2
(ii)
-69
(iii)
-72
(iv)
-74
(v)
-73
Question
19
19.
The value of
3
-3
✕
2
-2
(i)
109
-1
(ii)
111
-1
(iii)
106
-1
(iv)
108
-1
(v)
108
-2
Question
20
20.
The value of
2
(
-2
3
)
✕
2
(
-1
2
)
(i)
7
-1
(ii)
9
-2
(iii)
10
-1
(iv)
12
-1
(v)
9
-1
Question
21
21.
The value of
-3
(
2
3
)
✕
-2
(
-3
2
)
(i)
1
2
(ii)
3
(iii)
3
2
(iv)
2
(
3
2
)
(v)
5
2
Question
22
22.
The value of
(-3)
3
÷
(-4)
3
(i)
27
62
(ii)
2
(
27
64
)
(iii)
29
64
(iv)
25
64
(v)
27
64
Question
23
23.
The value of
(-5)
-3
÷
5
-2
(i)
(
-1
5
)
(ii)
1
5
(iii)
(
-1
3
)
(iv)
(
-3
5
)
(v)
2
(
-1
5
)
Question
24
24.
The value of
3
(
1
2
)
÷
3
(
-4
3
)
(i)
(
-25
512
)
(ii)
(
-27
512
)
(iii)
(
-9
170
)
(iv)
(
-29
512
)
(v)
2
(
-27
512
)
Question
25
25.
The value of
-2
(
-3
2
)
÷
-3
(
5
3
)
(i)
500
241
(ii)
166
81
(iii)
502
243
(iv)
500
243
(v)
2
(
500
243
)
Question
26
26.
-3
(
1
2
)
+
-2
(
1
2
)
=
(i)
15
(ii)
10
(iii)
12
(iv)
11
(v)
13
Question
27
27.
[
(
6
5
)
5
✕
(
6
3
)
3
]
÷
6
34
(i)
4
(ii)
6
(iii)
1
(iv)
0
(v)
2
Question
28
28.
[
-5
(
4
7
)
✕
-5
(
8
9
)
]
÷
[
5
(
7
4
)
✕
5
(
9
8
)
]
=
(i)
4
7
(ii)
8
9
(iii)
0
(iv)
(-1)
(v)
1
Question
29
29.
Simplify
4
-1
+
3
0
+
7
1
+
2
-1
(i)
33
4
(ii)
35
4
(iii)
19
2
(iv)
37
4
(v)
17
2
Assignment Key
1) (ii)
2) (iii)
3) (ii)
4) (ii)
5) (iv)
6) (ii)
7) (iv)
8) (iii)
9) (i)
10) (iv)
11) (ii)
12) (i)
13) (iv)
14) (v)
15) (ii)
16) (iv)
17) (i)
18) (iii)
19) (iv)
20) (v)
21) (iii)
22) (v)
23) (i)
24) (ii)
25) (iv)
26) (iii)
27) (iii)
28) (v)
29) (ii)
