EduSahara™ Assignment
Name : Simplification of Base Power Expressions
Chapter : Exponents
Grade : ICSE Grade VIII
License : Non Commercial Use
Question
1
1.
Simplify the expression
(
-7
2
)
3
✕
(
-7
2
)
3
✕
(
-7
2
)
3
(i)
(
-41
4
)
3
(ii)
1
(iii)
3
-11
(iv)
(
-21
2
)
6
(v)
(
-21
2
)
3
Question
2
2.
Simplify the expression
(
5
2
)
(-6)
✕
(
5
2
)
(-6)
✕
(
5
2
)
(-6)
(i)
(
29
4
)
(-6)
(ii)
(
15
2
)
(-6)
(iii)
(
15
2
)
(-9)
(iv)
(-6)
8
(v)
(
15
2
)
(-4)
Question
3
3.
Simplify the expression
(
-5/2
)
(
7
5
)
✕
(
-5/2
)
(
7
5
)
✕
(
-5/2
)
(
7
5
)
(i)
-8
(
7
5
)
(ii)
(
-29/4
)
(
7
5
)
(iii)
(
-15/2
)
(
9
5
)
(iv)
(
-15/2
)
(
7
5
)
(v)
1
Question
4
4.
Simplify the expression
(
-3/8
)
(
-9
7
)
✕
(
-3/8
)
(
-9
7
)
(i)
(
-3/4
)
(
-9
7
)
(ii)
(
-1/2
)
(
-9
7
)
(iii)
(
-3
4
)
(-1)
(iv)
(
-3/4
)
(
-11
7
)
(v)
(
-3/2
)
(
-9
7
)
Question
5
5.
Simplify the expression
(-7)
-4
✕
(-7)
-3
(i)
(-7)
-6
(ii)
(-10)
-7
(iii)
(-5)
-7
(iv)
(-7)
-8
(v)
(-7)
-7
Question
6
6.
Simplify the expression
(
7
3
)
4
✕
(
9
7
)
4
(i)
(
76
21
)
4
(ii)
(
82
23
)
4
(iii)
(
70
19
)
4
(iv)
(
76
21
)
7
(v)
1
Question
7
7.
Simplify the expression
(
8/3
)
(
8
7
)
✕
(
3/2
)
(
8
7
)
(i)
(
25/6
)
(
6
7
)
(ii)
(
25/6
)
(
8
7
)
(iii)
(
33/8
)
(
8
7
)
(iv)
(
17/4
)
(
8
7
)
(v)
(
25/6
)
(
10
7
)
Question
8
8.
Simplify the expression
(
-3
5
)
3
✕
(
-3
5
)
5
(i)
(
-3
5
)
17
(ii)
(
-3
5
)
12
(iii)
15
-1
(iv)
(
-3
7
)
15
(v)
(
-3
5
)
15
Question
9
9.
Simplify the expression
-9
(
-9
5
)
✕
-9
(
-7
9
)
✕
-9
(
-6
7
)
(i)
-9
(
-8
5
)
(ii)
-9
(
-4
5
)
(iii)
-8
(
-6
5
)
(iv)
-9
(
-6
5
)
(v)
-10
(
-6
5
)
Question
10
10.
Simplify the expression
(
5/4
)
(
6
5
)
✕
(
5/4
)
(
8
3
)
✕
(
5/4
)
(
8
5
)
(i)
(
5/2
)
(
128
25
)
(ii)
(
5/4
)
(
128
25
)
(iii)
(
5/4
)
(
26
5
)
(iv)
(
5/4
)
(
126
25
)
(v)
(
5/6
)
(
128
25
)
Question
11
11.
Simplify the expression
(
-5/9
)
(
3
2
)
✕
(
-5/9
)
(
9
7
)
✕
(
-5/9
)
(
9
5
)
(i)
(
-5/9
)
(
241
70
)
(ii)
(
-5/9
)
(
7
2
)
(iii)
(
-5/11
)
(
243
70
)
(iv)
(
-5/7
)
(
243
70
)
(v)
(
-5/9
)
(
243
70
)
Question
12
12.
Simplify the expression
(
-5/9
)
(
-6
5
)
✕
(
-5/9
)
(
-5
2
)
(i)
1
(ii)
(
-5
7
)
3
(iii)
(
-5
9
)
5
(iv)
(
-5
9
)
3
(v)
(
-5
11
)
3
Question
13
13.
Simplify
(-3)
-2
(-3)
2
(i)
3
-5
(ii)
3
-3
(iii)
3
-4
(iv)
5
-4
(v)
3
-7
Question
14
14.
Simplify
5
-2
✕
(-3)
-2
5
-2
✕
(-4)
2
(i)
15
-2
(ii)
12
-1
(iii)
10
-2
(iv)
12
-2
(v)
12
-3
Question
15
15.
Simplify
4
-2
✕
(-4)
2
✕
5
-2
(-3)
-2
✕
4
-2
✕
(-5)
2
(i)
3
(
12
25
)
(ii)
2
(
14
25
)
(iii)
12
25
(iv)
2
(
2
5
)
(v)
2
(
12
25
)
Question
16
16.
Simplify
4
2
✕
(-3)
-2
✕
(-2)
2
✕
3
2
(-2)
2
✕
4
2
✕
(-4)
-2
✕
(-5)
2
(i)
2
(
4
5
)
(ii)
2
(
2
5
)
(iii)
4
5
(iv)
2
(
6
5
)
(v)
3
(
4
5
)
Question
17
17.
Simplify
(-2)
2
✕
2
-2
5
3
✕
3
-3
(i)
3
(
1
5
)
(ii)
1
(iii)
4
(
3
5
)
(iv)
2
(
3
5
)
(v)
3
(
3
5
)
Question
18
18.
Simplify
3
-2
✕
(-3)
3
✕
(-5)
-3
3
2
✕
4
3
✕
5
2
(i)
1
2
6
✕
3
✕
2
5
(ii)
0
2
6
✕
3
✕
5
5
(iii)
1
2
6
✕
3
✕
5
5
(iv)
2
2
6
✕
3
✕
5
5
(v)
1
2
6
✕
6
✕
5
5
Question
19
19.
Simplify
3
2
✕
(-4)
3
✕
2
3
(-4)
3
✕
(-3)
3
✕
4
3
✕
(-2)
3
(i)
0
2
6
✕
3
(ii)
2
2
6
✕
3
(iii)
1
5
6
✕
3
(iv)
1
2
6
✕
3
-2
(v)
1
2
6
✕
3
Question
20
20.
Simplify
(-2)
-2
✕
5
-2
✕
(-2)
-3
✕
(-5)
-2
(-3)
-3
✕
3
-3
✕
3
-2
(i)
3
8
2
2
✕
5
4
(ii)
3
7
2
5
✕
5
4
(iii)
3
8
2
5
✕
8
4
(iv)
3
9
2
5
✕
5
4
(v)
3
8
2
5
✕
5
4
Question
21
21.
(
8
9
✕
5
6
)
7
=
(i)
8
9
✕
5
6
(ii)
8
9
✕
5
42
(iii)
8
42
✕
5
63
(iv)
8
63
✕
5
6
(v)
8
63
✕
5
42
Question
22
22.
(
5
(-3)
)
-6
✕
(
6
4
)
-3
✕
(
8
2
)
-6
(
5
(-6)
)
-3
✕
(
6
3
)
-5
✕
(
8
3
)
5
=
(i)
1
✕
6
3
✕
8
(-27)
(ii)
1
✕
6
4
✕
8
(-27)
(iii)
1
✕
6
3
✕
8
(-26)
(iv)
1
✕
6
3
✕
8
(-27)
Assignment Key
1) (v)
2) (ii)
3) (iv)
4) (i)
5) (v)
6) (i)
7) (ii)
8) (v)
9) (iv)
10) (ii)
11) (v)
12) (iv)
13) (iii)
14) (iv)
15) (v)
16) (i)
17) (v)
18) (iii)
19) (v)
20) (v)
21) (v)
22) (iv)
