EduSahara™ Assignment
Name : Base Power Concepts
Chapter : Exponents and Powers
Grade : CBSE Grade VIII
License : Non Commercial Use
Question
1
1.
(
-4
✕
7
)
-3
=
(i)
(-4)
-3
✕
7
-2
(ii)
(-4)
-3
✕
5
-3
(iii)
(-4)
-3
✕
7
-3
(iv)
(-4)
-3
✕
7
-4
(v)
(-4)
-3
✕
9
-3
Question
2
2.
(
6
✕
5
✕
-6
)
-3
=
(i)
6
-3
✕
7
-3
✕
(-3)
-3
(ii)
6
-3
✕
5
-3
✕
(-6)
-3
(iii)
6
-3
✕
3
-3
✕
(-9)
-3
(iv)
6
-3
✕
5
-2
✕
(-6)
-2
(v)
6
-3
✕
5
-4
✕
(-6)
-4
Question
3
3.
(
(
-9
5
)
✕
4
3
)
7
=
(i)
7
(
-9
5
)
✕
6
(
4
3
)
(ii)
7
(
-9
5
)
✕
7
(
4
3
)
(iii)
7
(
-9
5
)
✕
2
7
(iv)
7
(
-9
5
)
✕
7
(
2
3
)
(v)
7
(
-9
5
)
✕
8
(
4
3
)
Question
4
4.
(
(
-7
4
)
✕
(
-8
5
)
✕
(
-3
5
)
)
-8
=
(i)
-8
(
-7
4
)
✕
-8
(
-8
5
)
✕
-8
(
-3
5
)
(ii)
-8
(
-7
4
)
✕
-7
(
-8
5
)
✕
-7
(
-3
5
)
(iii)
-8
(
-7
4
)
✕
-8
(
-6
5
)
✕
-8
(
-1
5
)
(iv)
-8
(
-7
4
)
✕
(-2)
-8
✕
(-1)
-8
(v)
-8
(
-7
4
)
✕
-9
(
-8
5
)
✕
-9
(
-3
5
)
Question
5
5.
(
(
-9
7
)
✕
5
3
)
-8/5
=
(i)
(
-8/5
)
(
-9
7
)
✕
(
-8/7
)
(
5
3
)
(ii)
(
-8/5
)
(
-9
7
)
✕
(
-8/5
)
(
7
3
)
(iii)
(
-8/5
)
(
-9
7
)
✕
(
-8/3
)
(
5
3
)
(iv)
(
-8/5
)
(
-9
7
)
✕
(
-8/5
)
(
5
3
)
(v)
(
-8/5
)
(
-9
7
)
✕
1
Question
6
6.
(-3)
7
=
(i)
(-3)
7
1
(ii)
(-3)
6
1
(iii)
(-3)
7
3
7
(iv)
(-3)
8
1
(v)
(-3)
7
(-2)
7
Question
7
7.
-6
(
-9
4
)
=
(i)
(-9)
-6
4
-6
(ii)
(-9)
-7
4
-6
(iii)
(-9)
-6
6
-6
(iv)
(-9)
-5
4
-6
(v)
(-9)
-6
2
-6
Question
8
8.
(-6)
4
=
(i)
-5
(
-1
6
)
(ii)
-4
(
-1
6
)
(iii)
-4
(
1
6
)
(iv)
-4
(
-1
2
)
(v)
-3
(
-1
6
)
Question
9
9.
-2
(
5
3
)
=
(i)
2
(
1
5
)
(ii)
3
5
(iii)
1
(iv)
2
(
3
5
)
(v)
3
(
3
5
)
Question
10
10.
(-4)
6
(-4)
4
=
(i)
(-7)
2
(ii)
(-1)
2
(iii)
(-4)
3
(iv)
(-4)
2
(v)
-4
Question
11
11.
(-6)
-7
(-6)
-7
=
(i)
(-6)
-1
(ii)
-6
1
(iii)
1
(iv)
(-6)
-3
(v)
(-6)
2
Question
12
12.
[
(-5)
2
]
2
=
(i)
(-5)
5
(ii)
(-3)
4
(iii)
(-5)
3
(iv)
(-7)
4
(v)
(-5)
4
Question
13
13.
[
3
3
]
5/4
=
(i)
(
15
4
)
3
(ii)
(
15
4
)
5
(iii)
(
7
2
)
3
(iv)
(
13
4
)
3
(v)
(
9
2
)
3
Question
14
14.
[
(
-2
5
)
]
-2
(-4)
=
(i)
(
4
3
)
(-4)
(ii)
(
4
7
)
(-4)
(iii)
(
4
5
)
(-6)
(iv)
(
4
5
)
(-4)
(v)
(
4
5
)
(-1)
Question
15
15.
[
4
]
-3
(
-4
5
)
=
(i)
-11
(
-4
5
)
(ii)
-13
(
-4
5
)
(iii)
-12
(
-4
5
)
(iv)
-12
(
-2
5
)
(v)
-12
(
-6
5
)
Question
16
16.
[
-5
]
-3/2
(
5
3
)
=
(i)
8
(
5
3
)
(ii)
(
15/2
)
(
5
3
)
(iii)
(
15/2
)
(
7
3
)
(iv)
(
29/4
)
(
5
3
)
(v)
1
Question
17
17.
[
(
-2/5
)
]
-4
(
-9
5
)
=
(i)
(
8/5
)
(
-11
5
)
(ii)
(
10/7
)
(
-9
5
)
(iii)
(
8/5
)
(
-9
5
)
(iv)
2
(
-9
5
)
(v)
(
8/5
)
(
-7
5
)
Question
18
18.
Simplify the expression
5
8
✕
5
8
(i)
5
16
(ii)
3
16
(iii)
5
15
(iv)
5
17
(v)
7
16
Question
19
19.
(-2)
-6
=
(i)
6
(
-1
2
)
(ii)
6
(
1
2
)
(iii)
5
(
-1
2
)
(iv)
6
(
-3
2
)
(v)
7
(
-1
2
)
Question
20
20.
Simplify the expression
3
-9
✕
3
-9
✕
3
-9
(i)
5
-27
(ii)
3
-28
(iii)
3
-26
(iv)
3
-27
(v)
1
Question
21
21.
Simplify the expression
(-2)
6
✕
(-2)
6
✕
(-2)
6
(i)
(-2)
17
(ii)
(-2)
21
(iii)
(-2)
19
(iv)
(-2)
18
(v)
(-5)
18
Question
22
22.
Simplify the expression
(-2)
-2
✕
(-2)
-2
(i)
(-4)
-4
(ii)
(-2)
-3
(iii)
(-2)
-5
(iv)
(-2)
-4
(v)
(-2)
-1
Question
23
23.
Simplify the expression
7
-6
✕
7
-7
✕
7
-3
(i)
7
-17
(ii)
7
-16
(iii)
7
-15
(iv)
5
-16
(v)
9
-16
Question
24
24.
Simplify the expression
5
9
✕
6
9
(i)
30
9
(ii)
32
9
(iii)
30
10
(iv)
28
9
(v)
30
8
Question
25
25.
Simplify the expression
3
-5
✕
7
-5
✕
3
-5
(i)
66
-5
(ii)
63
-6
(iii)
63
-4
(iv)
63
-5
(v)
60
-5
Question
26
26.
Simplify the expression
(-3)
3
✕
(-9)
3
(i)
27
3
(ii)
24
3
(iii)
27
2
(iv)
27
4
(v)
30
3
Assignment Key
1) (iii)
2) (ii)
3) (ii)
4) (i)
5) (iv)
6) (i)
7) (i)
8) (ii)
9) (iv)
10) (iv)
11) (iii)
12) (v)
13) (i)
14) (iv)
15) (iii)
16) (ii)
17) (iii)
18) (i)
19) (i)
20) (iv)
21) (iv)
22) (iv)
23) (ii)
24) (i)
25) (iv)
26) (i)
