EduSahara™ Assignment
Name : Evaluation of Base Power Expressions
Chapter : Exponents
Grade : ICSE Grade VIII
License : Non Commercial Use
Question
1
1.
Expand the following base power
5
3
(i)
625
(ii)
8
(iii)
512
(iv)
125
(v)
25
Question
2
2.
Expand the following base power
4
-5
(i)
1
256
(ii)
1
4096
(iii)
1
1024
(iv)
1
(v)
1
16807
Question
3
3.
Expand the following base power
(-5)
4
(i)
-3125
(ii)
2401
(iii)
-125
(iv)
625
(v)
81
Question
4
4.
Expand the following base power
(-5)
-4
(i)
1
625
(ii)
1
81
(iii)
(
-1
3125
)
(iv)
1
4096
(v)
(
-1
125
)
Question
5
5.
Expand the following base power
5
(
2
5
)
(i)
16
625
(ii)
1024
3125
(iii)
64
15625
(iv)
32
3125
(v)
8
125
Question
6
6.
Expand the following base power
-3
(
2
3
)
(i)
27
8
(ii)
9
4
(iii)
27
64
(iv)
81
16
(v)
729
64
Question
7
7.
Expand the following base power
2
(
-1
2
)
(i)
1
4
(ii)
9
4
(iii)
(
-1
8
)
(iv)
(
-1
2
)
Question
8
8.
Expand the following base power
-4
(
-1
5
)
(i)
625
(ii)
-3125
(iii)
625
81
(iv)
-125
Question
9
9.
Simplify
(-5)
-2
3
2
(i)
13
-2
(ii)
15
-2
(iii)
17
-2
(iv)
15
-3
(v)
15
-1
Question
10
10.
The value of
(-5)
2
✕
3
3
(i)
675
(ii)
672
(iii)
678
(iv)
675
2
(v)
674
Question
11
11.
The value of
(-5)
-3
✕
2
-3
(i)
2
(
-1
1000
)
(ii)
(
-3
1000
)
(iii)
(
-1
1000
)
(iv)
(
-1
998
)
(v)
1
1000
Question
12
12.
The value of
(-3)
2
÷
3
2
(i)
(-2)
-1
(ii)
2
-1
(iii)
3
-1
(iv)
1
Question
13
13.
The value of
3
-3
÷
(-4)
-3
(i)
(
-22
9
)
(ii)
(
-62
27
)
(iii)
(
-64
25
)
(iv)
(
-64
27
)
(v)
2
(
-64
27
)
Question
14
14.
The value of
2
(
-5
2
)
÷
2
(
-1
3
)
(i)
2
(
225
4
)
(ii)
225
4
(iii)
227
4
(iv)
225
2
(v)
223
4
Question
15
15.
The value of
-3
(
-1
2
)
÷
-2
(
-1
2
)
(i)
(-2)
2
(ii)
-3
(iii)
1
(iv)
-5
(v)
-2
Question
16
16.
Find the value of
(
5
4
)
625
(i)
3125
(ii)
3124
(iii)
3126
(iv)
3122
(v)
3128
Question
17
17.
Find the value of
(-2)
2
(i)
3
(ii)
5
(iii)
7
(iv)
1
(v)
4
Question
18
18.
Find the value of
(
-2
3
)
(-8)
(i)
1
4
(ii)
3
4
(iii)
1
6
(iv)
(
-1
4
)
(v)
1
2
Question
19
19.
Find the value of
(
-3/2
)
(
16
9
)
(i)
27
62
(ii)
25
64
(iii)
29
64
(iv)
9
22
(v)
27
64
Question
20
20.
-2
(
1
6
)
+
-2
(
1
4
)
=
(i)
55
(ii)
51
(iii)
53
(iv)
52
(v)
49
Question
21
21.
√
121
16
=
(i)
11
6
(ii)
11
4
(iii)
13
4
(iv)
9
4
(v)
11
2
Question
22
22.
3
√
27
343
=
(i)
1
3
(ii)
3
5
(iii)
1
7
(iv)
3
7
(v)
5
7
Question
23
23.
√
0.8100
=
(i)
0.09
(ii)
1
(iii)
1.1
(iv)
0.9
(v)
0.8
Question
24
24.
3
√
0.1250
=
(i)
0.7
(ii)
0.4
(iii)
0.6
(iv)
0.5
(v)
0.05
Question
25
25.
Simplify
3
√
125
+
3
√
1331
3
√
512
−
3
√
343
=
(i)
13
(ii)
18
(iii)
15
(iv)
16
(v)
17
Question
26
26.
Simplify
√
4
−
√
144
√
121
+
√
36
=
(i)
(
-2
3
)
(ii)
(
-12
17
)
(iii)
(
-10
17
)
(iv)
(
-8
17
)
(v)
(
-10
19
)
Question
27
27.
[
(
4
6
)
2
✕
(
4
5
)
3
]
÷
4
27
(i)
1
(ii)
0
(iii)
2
(iv)
4
Question
28
28.
[
-5
(
5
9
)
✕
-5
(
8
3
)
]
÷
[
5
(
9
5
)
✕
5
(
3
8
)
]
=
(i)
5
9
(ii)
8
3
(iii)
(-1)
(iv)
0
(v)
1
Question
29
29.
Simplify
5
-1
+
6
0
+
7
1
+
4
-1
(i)
171
20
(ii)
167
20
(iii)
169
20
(iv)
17
2
(v)
185
22
Assignment Key
1) (iv)
2) (iii)
3) (iv)
4) (i)
5) (iv)
6) (i)
7) (i)
8) (i)
9) (ii)
10) (i)
11) (iii)
12) (iv)
13) (iv)
14) (ii)
15) (v)
16) (i)
17) (v)
18) (i)
19) (v)
20) (iv)
21) (ii)
22) (iv)
23) (iv)
24) (iv)
25) (iv)
26) (iii)
27) (i)
28) (v)
29) (iii)
