EduSahara™ Assignment
Name : Exercise1
Chapter : Exponents and Powers
Grade : CBSE Grade VIII
License : Non Commercial Use
Question
1
1.
(
2
✕
3
✕
-4
)
-4
=
(i)
2
-4
✕
5
-4
✕
(-2)
-4
(ii)
2
-4
✕
3
-4
✕
(-4)
-4
(iii)
2
-4
✕
3
-6
✕
(-6)
-4
(iv)
2
-4
✕
3
-5
✕
(-4)
-5
(v)
2
-4
✕
3
-3
✕
(-4)
-3
Question
2
2.
(
-9
1
✕
(
-2
9
)
)
2
=
(i)
(-9)
2
✕
3
(
-2
9
)
(ii)
(-9)
2
✕
(
-2
9
)
(iii)
(-9)
2
✕
2
(
-2
9
)
(iv)
(-9)
2
✕
4
(
-2
9
)
(v)
(-9)
2
✕
2
(
-4
9
)
Question
3
3.
(
5
2
✕
(
-7
6
)
✕
(
-9
7
)
)
5
=
(i)
5
(
5
2
)
✕
6
(
-7
6
)
✕
6
(
-9
7
)
(ii)
5
(
5
2
)
✕
4
(
-7
6
)
✕
4
(
-9
7
)
(iii)
5
(
5
2
)
✕
5
(
-7
6
)
✕
5
(
-9
7
)
(iv)
5
(
5
2
)
✕
5
(
-3
2
)
✕
5
(
-11
7
)
(v)
5
(
5
2
)
✕
5
(
-5
6
)
✕
(-1)
5
Question
4
4.
(
(
-4
3
)
✕
8
3
)
5
=
(i)
5
(
-4
3
)
✕
5
(
8
3
)
(ii)
5
(
-4
3
)
✕
5
(
10
3
)
(iii)
5
(
-4
3
)
✕
6
(
8
3
)
(iv)
5
(
-4
3
)
✕
2
5
(v)
5
(
-4
3
)
✕
4
(
8
3
)
Question
5
5.
Simplify the expression
5
2
✕
5
2
(i)
2
4
(ii)
5
5
(iii)
5
4
(iv)
7
4
(v)
5
3
Question
6
6.
Simplify the expression
2
-3
✕
2
-3
✕
2
-3
(i)
2
-9
(ii)
2
-8
(iii)
2
-12
(iv)
2
-10
(v)
4
-9
Question
7
7.
Simplify the expression
(-2)
4
✕
(-2)
4
✕
(-2)
4
(i)
(-2)
11
(ii)
1
(iii)
(-2)
12
(iv)
(-4)
12
(v)
(-2)
13
Question
8
8.
Simplify the expression
(-9)
-5
✕
(-9)
-5
(i)
(-9)
-9
(ii)
(-9)
-11
(iii)
(-12)
-10
(iv)
(-9)
-10
(v)
(-6)
-10
Question
9
9.
Simplify the expression
-9
(
9
5
)
✕
-9
(
9
5
)
✕
-9
(
9
5
)
(i)
-27
(
9
5
)
(ii)
-27
(
7
5
)
(iii)
-28
(
9
5
)
(iv)
-26
(
9
5
)
(v)
-27
(
11
5
)
Question
10
10.
Simplify the expression
7
(
-2
9
)
✕
7
(
-2
9
)
(i)
15
(
-2
9
)
(ii)
14
(
-2
9
)
(iii)
14
(
-4
9
)
(iv)
13
(
-2
9
)
(v)
16
(
-2
9
)
Question
11
11.
Simplify the expression
-5
(
-9
7
)
✕
-5
(
-9
7
)
✕
-5
(
-9
7
)
(i)
-16
(
-9
7
)
(ii)
-15
(
-11
7
)
(iii)
(-1)
-15
(iv)
-15
(
-9
7
)
(v)
-14
(
-9
7
)
Question
12
12.
Simplify the expression
5
3
✕
5
5
(i)
5
7
(ii)
5
8
(iii)
3
8
(iv)
5
9
(v)
7
8
Question
13
13.
Simplify the expression
7
-3
✕
7
-2
(i)
7
-4
(ii)
5
-5
(iii)
7
-5
(iv)
7
-6
(v)
9
-5
Question
14
14.
Simplify the expression
(-7)
6
✕
(-7)
3
✕
(-7)
3
(i)
(-7)
12
(ii)
(-9)
12
(iii)
(-4)
12
(iv)
(-7)
13
(v)
(-7)
11
Question
15
15.
Simplify the expression
(-4)
-7
✕
(-4)
-3
(i)
(-4)
-9
(ii)
(-4)
-10
(iii)
(-1)
-10
(iv)
(-4)
-11
(v)
(-6)
-10
Question
16
16.
Simplify the expression
5
(
7
4
)
✕
2
(
7
4
)
(i)
7
(
9
4
)
(ii)
7
(
7
4
)
(iii)
6
(
7
4
)
(iv)
7
(
5
4
)
(v)
8
(
7
4
)
Question
17
17.
Simplify the expression
-7
(
3
2
)
✕
-5
(
3
2
)
(i)
-12
(
3
2
)
(ii)
-11
(
3
2
)
(iii)
-13
(
3
2
)
(iv)
-12
(
1
2
)
(v)
-12
(
5
2
)
Question
18
18.
Simplify the expression
2
(
-7
5
)
✕
3
(
-7
5
)
(i)
6
(
-7
5
)
(ii)
5
(
-7
5
)
(iii)
5
(
-9
5
)
(iv)
(-1)
5
(v)
4
(
-7
5
)
Question
19
19.
Simplify the expression
-4
(
-8
5
)
✕
-3
(
-8
5
)
✕
-4
(
-8
5
)
(i)
(-2)
-11
(ii)
-10
(
-8
5
)
(iii)
-11
(
-6
5
)
(iv)
-11
(
-8
5
)
(v)
-12
(
-8
5
)
Assignment Key
1) (ii)
2) (iii)
3) (iii)
4) (i)
5) (iii)
6) (i)
7) (iii)
8) (iv)
9) (i)
10) (ii)
11) (iv)
12) (ii)
13) (iii)
14) (i)
15) (ii)
16) (ii)
17) (i)
18) (ii)
19) (iv)
