EduSahara™ Assignment
Name : Simplification of Base Power Expressions
Chapter : Exponents and Powers
Grade : SSC Grade VIII
License : Non Commercial Use
Question
1
1.
Simplify
4
-2
✕
4
-2
✕
3
-2
✕
(-3)
2
3
-2
✕
5
2
✕
3
-2
✕
(-5)
-2
(i)
5
(
3
4
)
(ii)
4
(
3
4
)
(iii)
3
(
3
4
)
(iv)
4
(
5
4
)
(v)
4
(
1
4
)
Question
2
2.
Simplify
4
3
✕
(-3)
2
3
2
✕
5
-3
(i)
22
3
(ii)
20
4
(iii)
20
3
(iv)
20
2
(v)
17
3
Question
3
3.
Simplify
(-2)
-2
✕
2
-3
✕
3
-2
(-5)
-2
✕
5
2
✕
5
3
(i)
0
2
5
✕
3
2
✕
5
3
(ii)
1
2
5
✕
6
2
✕
5
3
(iii)
2
2
5
✕
3
2
✕
5
3
(iv)
1
2
5
✕
3
2
✕
5
3
(v)
1
2
5
✕
3
2
✕
2
3
Question
4
4.
Simplify
3
3
✕
2
2
✕
(-3)
2
2
2
✕
4
3
✕
2
2
✕
(-5)
2
(i)
3
4
2
8
✕
5
2
(ii)
3
5
(-1)
8
✕
5
2
(iii)
3
5
2
8
✕
5
2
(iv)
3
5
4
8
✕
5
2
(v)
3
6
2
8
✕
5
2
Question
5
5.
Simplify
(-4)
-2
✕
(-4)
-2
✕
3
-3
✕
5
-2
(-4)
-2
✕
(-3)
-3
✕
(-4)
-3
(i)
3
(
2
5
)
(ii)
2
5
(iii)
-1
(
2
5
)
(iv)
2
(
2
5
)
(v)
2
(
4
5
)
Question
6
6.
Simplify the expression
(
-8
3
)
3
✕
(
-8
3
)
3
(i)
(
-16
3
)
3
(ii)
3
-6
(iii)
(
-16
3
)
6
(iv)
(
-26
5
)
3
Question
7
7.
Simplify the expression
(
-2
7
)
(-9)
✕
(
-2
7
)
(-9)
(i)
(
-4
7
)
(-7)
(ii)
(
-4
5
)
(-9)
(iii)
(
-4
9
)
(-9)
(iv)
(
-4
7
)
(-11)
(v)
(
-4
7
)
(-9)
Question
8
8.
Simplify the expression
(
8
7
)
(-8)
✕
(
8
7
)
(-8)
✕
(
5
4
)
(-8)
(i)
(
7
2
)
(-8)
(ii)
(
99
28
)
(-10)
(iii)
(
99
28
)
(-8)
(iv)
(
99
28
)
(-5)
(v)
(
93
26
)
(-8)
Question
9
9.
Simplify the expression
(
-2
5
)
(-4)
✕
(-4)
-5
(i)
(
-27
5
)
(-7)
(ii)
(
-27
5
)
(-4)
(iii)
(
-37
7
)
(-4)
(iv)
(
-27
5
)
(-1)
(v)
(
-17
3
)
(-4)
Question
10
10.
Simplify
(
s
f
s
g
)
(
f
+
g
)
(
s
g
s
h
)
(
g
+
h
)
(
s
h
s
f
)
(
h
+
f
)
(i)
s
(
f
+
g
+
h
)
(ii)
-1
(iii)
1
(iv)
s
(v)
0
Question
11
11.
Simplify
(
w
j
)
(
k
−
l
)
(
w
k
)
(
l
−
j
)
(
w
l
)
(
j
−
k
)
(i)
0
(ii)
-1
(iii)
1
(iv)
w
(
j
+
k
+
l
)
(v)
w
Question
12
12.
Simplify
(
t
(
p
+
q
)
)
(
p
−
q
)
(
t
(
q
+
r
)
)
(
q
−
r
)
(
t
(
r
+
p
)
)
(
r
−
p
)
(i)
-1
(ii)
1
(iii)
t
(
p
+
q
+
r
)
(iv)
0
(v)
t
Question
13
13.
Simplify
(
s
f
s
g
)
h
(
s
g
s
h
)
f
(
s
h
s
f
)
g
(i)
-1
(ii)
0
(iii)
1
(iv)
s
(v)
s
(
f
+
g
+
h
)
Question
14
14.
Simplify
(
7
m
.
64
(
m
−
4
)
.
81
(
m
−
5
)
49
(
m
−
4
)
.
8
(
m
−
5
)
.
9
(
m
−
4
)
)
(i)
7
(
−
m
+
8
)
.
8
(
m
−
3
)
.
9
(
m
−
6
)
(ii)
7
4
.
8
1
.
9
(
−
1
)
(iii)
7
(
m
+
4
)
.
8
(
−
m
+
6
)
.
9
(
−
m
+
3
)
(iv)
7
(
−
m
+
8
)
.
8
(
−
m
+
6
)
.
9
(
−
m
+
3
)
Question
15
15.
(
4
6
)
5
✕
(
6
3
)
3
✕
(
8
2
)
5
(
4
(-4)
)
-4
✕
(
6
6
)
-5
✕
(
8
(-4)
)
3
=
(i)
4
15
✕
6
39
✕
8
22
(ii)
4
14
✕
6
39
✕
8
23
(iii)
4
14
✕
6
40
✕
8
22
(iv)
4
14
✕
6
39
✕
8
22
Question
16
16.
[
(
7
6
)
2
✕
(
7
4
)
5
]
÷
7
32
(i)
2
(ii)
1
(iii)
0
(iv)
4
(v)
7
Question
17
17.
[
-3
(
7
5
)
✕
-3
(
9
6
)
]
÷
[
3
(
5
7
)
✕
3
(
6
9
)
]
=
(i)
7
5
(ii)
0
(iii)
1
(iv)
(-1)
(v)
9
6
Question
18
18.
Simplify
2
-1
+
8
0
+
9
1
+
6
-1
(i)
12
(ii)
52
5
(iii)
34
3
(iv)
10
(v)
32
3
Assignment Key
1) (ii)
2) (iii)
3) (iv)
4) (iii)
5) (iv)
6) (i)
7) (v)
8) (iii)
9) (ii)
10) (iii)
11) (iii)
12) (ii)
13) (iii)
14) (i)
15) (iv)
16) (ii)
17) (iii)
18) (v)
