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
4
(i)
32
(ii)
16
(iii)
8
(iv)
256
(v)
1
Question
2
2.
Expand the following base power
5
-4
(i)
1
2401
(ii)
1
125
(iii)
1
3125
(iv)
1
625
(v)
1
16
Question
3
3.
Expand the following base power
(-3)
3
(i)
-27
(ii)
-1
(iii)
9
(iv)
81
(v)
-216
Question
4
4.
Expand the following base power
(-4)
-2
(i)
(
-1
4
)
(ii)
1
36
(iii)
1
(iv)
(
-1
64
)
(v)
1
16
Question
5
5.
6
-9
=
(i)
8
(
1
6
)
(ii)
9
(
1
6
)
(iii)
10
(
1
6
)
(iv)
9
(
-1
6
)
(v)
9
(
1
2
)
Question
6
6.
Expand the following base power
2
(
1
4
)
(i)
1
4
(ii)
1
16
(iii)
1
64
(iv)
9
16
Question
7
7.
Expand the following base power
-3
(
1
5
)
(i)
-125
(ii)
125
(iii)
125
27
(iv)
25
(v)
625
Question
8
8.
Expand the following base power
5
(
-5
2
)
(i)
(
-243
32
)
(ii)
(
-3125
32
)
(iii)
15625
64
(iv)
(
-16807
32
)
(v)
625
16
Question
9
9.
Expand the following base power
-3
(
-1
5
)
(i)
-125
(ii)
25
(iii)
(
-125
27
)
(iv)
125
(v)
625
Question
10
10.
The value of
(-2)
3
+
3
2
(i)
4
(ii)
1
(iii)
2
(iv)
-1
(v)
0
Question
11
11.
The value of
(-5)
-2
+
5
-2
(i)
2
23
(ii)
4
25
(iii)
2
25
(iv)
-2
(
2
25
)
(v)
2
(
2
25
)
Question
12
12.
The value of
2
(
3
2
)
+
3
(
-3
2
)
(i)
(
-11
8
)
(ii)
(
-7
8
)
(iii)
2
(
-9
8
)
(iv)
(
-3
2
)
(v)
(
-9
8
)
Question
13
13.
The value of
-3
(
-4
3
)
+
-3
(
3
2
)
(i)
(
-217
1726
)
(ii)
(
-73
576
)
(iii)
2
(
-217
1728
)
(iv)
(
-217
1728
)
(v)
(
-215
1728
)
Question
14
14.
The value of
2
2
−
5
3
(i)
-122
(ii)
(-121)
2
(iii)
-118
(iv)
-121
(v)
-124
Question
15
15.
The value of
(-4)
-2
−
3
-3
(i)
1
48
(ii)
13
432
(iii)
11
430
(iv)
11
432
(v)
2
(
11
432
)
Question
16
16.
The value of
2
(
3
2
)
−
3
(
-5
3
)
(i)
247
36
(ii)
2
(
743
108
)
(iii)
745
108
(iv)
743
108
(v)
743
106
Question
17
17.
The value of
-3
(
-1
2
)
−
-3
(
2
3
)
(i)
(
-91
8
)
(ii)
(
-89
8
)
(iii)
(
-91
6
)
(iv)
2
(
-91
8
)
(v)
(
-93
8
)
Question
18
18.
The value of
(-5)
3
✕
2
2
(i)
-501
(ii)
-500
(iii)
-502
(iv)
-497
(v)
(-500)
2
Question
19
19.
The value of
5
-3
✕
(-4)
-3
(i)
(
-3
8000
)
(ii)
(
-1
7998
)
(iii)
(
-1
8000
)
(iv)
1
8000
(v)
2
(
-1
8000
)
Question
20
20.
The value of
3
(
-5
3
)
✕
2
(
1
2
)
(i)
(
-125
108
)
(ii)
(
-127
108
)
(iii)
(
-41
36
)
(iv)
2
(
-125
108
)
(v)
(
-125
106
)
Question
21
21.
The value of
-3
(
-5
3
)
✕
-3
(
-1
3
)
(i)
727
125
(ii)
731
125
(iii)
2
(
729
125
)
(iv)
243
41
(v)
729
125
Question
22
22.
The value of
(-2)
3
÷
(-2)
3
(i)
1
(ii)
2
-1
(iii)
4
-1
(iv)
(-2)
-1
Question
23
23.
The value of
2
-3
÷
(-4)
-3
(i)
(-8)
2
(ii)
-11
(iii)
-6
(iv)
-9
(v)
-8
Question
24
24.
The value of
3
(
5
2
)
÷
3
(
5
3
)
(i)
27
8
(ii)
2
(
27
8
)
(iii)
25
8
(iv)
9
2
(v)
29
8
Question
25
25.
The value of
-2
(
5
3
)
÷
-2
(
-1
3
)
(i)
27
-1
(ii)
25
-2
(iii)
25
-1
(iv)
22
-1
(v)
26
-1
Question
26
26.
-2
(
1
6
)
+
-4
(
1
3
)
=
(i)
116
(ii)
117
(iii)
118
(iv)
120
(v)
115
Question
27
27.
[
(
8
5
)
3
✕
(
8
6
)
6
]
÷
8
51
(i)
3
(ii)
8
(iii)
2
(iv)
1
(v)
0
Question
28
28.
[
-3
(
6
3
)
✕
-3
(
9
2
)
]
÷
[
3
(
3
6
)
✕
3
(
2
9
)
]
=
(i)
(-1)
(ii)
9
2
(iii)
6
3
(iv)
1
(v)
0
Question
29
29.
Simplify
7
-1
+
4
0
+
6
1
+
9
-1
(i)
65
9
(ii)
51
7
(iii)
457
63
(iv)
471
65
(v)
443
61
Assignment Key
1) (ii)
2) (iv)
3) (i)
4) (v)
5) (ii)
6) (ii)
7) (ii)
8) (ii)
9) (i)
10) (ii)
11) (iii)
12) (v)
13) (iv)
14) (iv)
15) (iv)
16) (iv)
17) (i)
18) (ii)
19) (iii)
20) (i)
21) (v)
22) (i)
23) (v)
24) (i)
25) (iii)
26) (ii)
27) (iv)
28) (iv)
29) (iii)
