EduSahara™ Assignment
Name : Simplification of Base Power Expressions
Chapter : Exponents
Grade : ICSE Grade VIII
License : Non Commercial Use
Question
1
1.
Simplify the expression
(
-5
3
)
3
✕
(
-5
3
)
3
(i)
(
-10
3
)
3
(ii)
(
-10
3
)
5
(iii)
(
-16
5
)
3
(iv)
3
-4
Question
2
2.
Simplify the expression
(
9
7
)
(-2)
✕
(
9
7
)
(-2)
✕
(
9
7
)
(-2)
(i)
(
21
5
)
(-2)
(ii)
1
(iii)
(
27
7
)
(-4)
(iv)
(
27
7
)
(-2)
(v)
(
11
3
)
(-2)
Question
3
3.
Simplify the expression
(
-7
9
)
7
✕
(
-7
9
)
7
✕
(
-7
9
)
7
(i)
(
-7
3
)
4
(ii)
(
-7
3
)
7
(iii)
(
-11
5
)
7
(iv)
7
-3
(v)
(
-7
3
)
10
Question
4
4.
Simplify the expression
(
-6/7
)
(
-7
3
)
✕
(
-6/7
)
(
-7
3
)
✕
(
-6/7
)
(
-7
3
)
(i)
(
-18/7
)
(
-7
3
)
(ii)
(
-18
7
)
(-3)
(iii)
(
-18/7
)
(
-5
3
)
(iv)
(
-14/5
)
(
-7
3
)
(v)
(
-22/9
)
(
-7
3
)
Question
5
5.
Simplify the expression
(-5)
-4
✕
(-5)
-4
(i)
(-8)
-8
(ii)
(-5)
-9
(iii)
(-3)
-8
(iv)
(-5)
-8
(v)
(-5)
-7
Question
6
6.
Simplify the expression
(
8
5
)
8
✕
(
9
8
)
8
✕
(
5
3
)
8
(i)
(
535
122
)
8
(ii)
(
527
120
)
8
(iii)
(
527
120
)
10
(iv)
(
519
118
)
8
(v)
(
527
120
)
5
Question
7
7.
Simplify the expression
(
5/3
)
(
9
5
)
✕
(
9/8
)
(
9
5
)
(i)
(
63/22
)
(
9
5
)
(ii)
(
67/24
)
(
9
5
)
(iii)
(
67/24
)
(
11
5
)
(iv)
(
71/26
)
(
9
5
)
(v)
(
67/24
)
(
7
5
)
Question
8
8.
Simplify the expression
(
-5
7
)
3
✕
(
-5
7
)
6
(i)
18
-1
(ii)
(
-5
7
)
21
(iii)
(
-5
9
)
18
(iv)
(
-5
7
)
18
(v)
(
-5
7
)
16
Question
9
9.
Simplify the expression
-8
(
-9
8
)
✕
-8
(
-4
7
)
(i)
-8
(
11
14
)
(ii)
-9
(
9
14
)
(iii)
-8
(
1
2
)
(iv)
-8
(
9
14
)
(v)
-7
(
9
14
)
Question
10
10.
Simplify the expression
2
(
3
2
)
✕
2
(
8
7
)
(i)
1
5
7
(ii)
2
(
12
7
)
(iii)
2
2
(iv)
3
(
12
7
)
(v)
2
(
10
7
)
Question
11
11.
Simplify the expression
-2
(
5
2
)
✕
-2
(
5
3
)
✕
-2
(
6
5
)
(i)
5
-2
(ii)
8
-2
(iii)
3
-2
(iv)
5
-3
(v)
5
-1
Question
12
12.
Simplify the expression
(
-5/3
)
(
-7
2
)
✕
(
-5/3
)
(
-7
3
)
(i)
-5
(
49
6
)
(ii)
(
-5/3
)
(
47
6
)
(iii)
(
-5/3
)
(
17
2
)
(iv)
(
-5/3
)
(
49
6
)
(v)
-1
(
49
6
)
Question
13
13.
Simplify
5
2
2
-2
(i)
10
2
(ii)
10
(iii)
12
2
(iv)
10
3
(v)
8
2
Question
14
14.
Simplify
(-3)
2
✕
4
2
2
2
✕
(-3)
2
(i)
2
3
(ii)
2
2
(iii)
2
(iv)
(-1)
2
(v)
5
2
Question
15
15.
Simplify
2
-2
✕
3
2
✕
5
-2
3
2
✕
(-4)
-2
✕
3
2
(i)
0
(ii)
3
(
2
15
)
(iii)
2
15
(iv)
2
(
4
15
)
(v)
2
(
2
15
)
Question
16
16.
Simplify
(-5)
-2
✕
(-3)
2
✕
(-4)
2
✕
(-5)
-2
(-2)
2
✕
(-3)
-2
✕
5
-2
✕
5
2
(i)
2
(
4
5
)
(ii)
18
25
(iii)
3
(
18
25
)
(iv)
2
(
18
25
)
(v)
2
(
16
25
)
Question
17
17.
Simplify
5
-3
✕
(-5)
-2
4
-3
✕
(-2)
3
(i)
-1
✕
2
3
5
5
(ii)
-1
✕
2
3
3
5
(iii)
-1
✕
2
3
8
5
(iv)
-1
✕
2
2
5
5
(v)
-1
✕
2
4
5
5
Question
18
18.
Simplify
3
-3
✕
(-3)
2
✕
2
3
(-3)
2
✕
5
-3
✕
(-3)
3
(i)
3
(
-10
9
)
(ii)
4
(
-10
9
)
(iii)
2
(
-10
9
)
(iv)
3
(
-8
9
)
(v)
3
(
-4
3
)
Question
19
19.
Simplify
5
3
✕
5
2
✕
(-5)
3
5
2
✕
(-5)
2
✕
4
2
✕
3
3
(i)
-2
✕
5
8
2
4
✕
3
3
✕
5
4
(ii)
-1
✕
5
8
2
4
✕
3
3
✕
5
4
(iii)
(-1)
2
✕
5
8
2
4
✕
3
3
✕
5
4
(iv)
-1
✕
5
8
2
4
✕
3
3
✕
7
4
(v)
-1
✕
5
8
2
4
✕
3
✕
5
4
Question
20
20.
Simplify
(-3)
-3
✕
(-2)
-2
✕
(-4)
-3
✕
(-4)
-3
(-5)
-3
✕
(-3)
-3
✕
(-2)
-2
(i)
-1
✕
2
3
✕
3
3
✕
5
3
2
14
✕
3
3
(ii)
-2
✕
2
2
✕
3
3
✕
5
3
2
14
✕
3
3
(iii)
-1
✕
2
2
✕
3
3
✕
5
3
2
14
✕
5
3
(iv)
-1
✕
2
2
✕
3
3
✕
5
3
2
14
✕
3
3
(v)
-1
✕
2
2
✕
3
3
✕
5
3
2
11
✕
3
3
Question
21
21.
(
4
6
✕
7
4
)
8
=
(i)
4
48
✕
7
4
(ii)
4
48
✕
7
32
(iii)
4
6
✕
7
32
(iv)
4
32
✕
7
48
(v)
4
6
✕
7
4
Question
22
22.
(
9
(-2)
)
5
✕
(
12
6
)
-6
✕
(
15
5
)
-3
(
9
(-3)
)
2
✕
(
12
(-2)
)
3
✕
(
15
2
)
-5
=
(i)
9
(-3)
✕
12
(-30)
✕
15
(-5)
(ii)
9
(-4)
✕
12
(-30)
✕
15
(-4)
(iii)
9
(-4)
✕
12
(-30)
✕
15
(-5)
(iv)
9
(-4)
✕
12
(-29)
✕
15
(-5)
Assignment Key
1) (i)
2) (iv)
3) (ii)
4) (i)
5) (iv)
6) (ii)
7) (ii)
8) (iv)
9) (iv)
10) (ii)
11) (i)
12) (iv)
13) (i)
14) (ii)
15) (v)
16) (iv)
17) (i)
18) (i)
19) (ii)
20) (iv)
21) (ii)
22) (iii)
