EduSahara™ Worksheet
Name : Chapter Based Worksheet
Chapter : Exponents
Grade : SSC Grade VII
License : Non Commercial Use
Question
1
1.
Simplify
(
t
f
t
g
)
(
f
+
g
)
(
t
g
t
h
)
(
g
+
h
)
(
t
h
t
f
)
(
h
+
f
)
(i)
0
(ii)
1
(iii)
-1
(iv)
t
(v)
t
(
f
+
g
+
h
)
Question
2
2.
h
4
=
(i)
h
✕
h
✕
h
(ii)
h
✕
h
✕
h
✕
h
✕
h
(iii)
h
✕
h
✕
h
✕
h
(iv)
4
✕
h
✕
h
✕
h
✕
h
(v)
-2
✕
h
✕
h
✕
h
✕
h
Question
3
3.
5
(
9
8
)
6
(
9
8
)
=
(i)
-1
(
9
8
)
(ii)
-1
(
7
8
)
(iii)
-2
(
9
8
)
(iv)
-1
(
9
10
)
(v)
-1
(
11
8
)
Question
4
4.
Simplify the expression
-6
(
7
2
)
✕
-4
(
7
2
)
(i)
-10
(
7
2
)
(ii)
-11
(
7
2
)
(iii)
-10
(
9
2
)
(iv)
-9
(
7
2
)
(v)
-10
(
5
2
)
Question
5
5.
Simplify
5
2
✕
(-3)
2
✕
5
2
(-2)
3
✕
(-3)
3
✕
(-4)
2
✕
(-5)
3
(i)
-2
✕
3
2
✕
5
4
2
7
✕
3
3
✕
5
3
(ii)
(-1)
2
✕
3
2
✕
5
4
2
7
✕
3
3
✕
5
3
(iii)
-1
✕
3
2
✕
5
4
5
7
✕
3
3
✕
5
3
(iv)
-1
✕
3
2
✕
5
4
2
7
✕
3
3
✕
2
3
(v)
-1
✕
3
2
✕
5
4
2
7
✕
3
3
✕
5
3
Question
6
6.
Represent the given large number in scientific form
264382400
(i)
2.643824
✕
10
6
(ii)
2.643824
✕
10
7
(iii)
2.643824
✕
10
8
(iv)
2.643824
✕
10
9
(v)
2.643824
✕
10
10
Question
7
7.
If
c
u
=
d
v
=
e
w
=
f
x
and
c
d
=
e
f
, then
(i)
1
v
+
1
w
=
1
u
+
1
x
(ii)
v
u
=
w
x
(iii)
1
v
+
1
x
=
1
w
+
1
u
(iv)
1
v
+
1
u
=
1
w
+
1
x
(v)
v
w
=
u
x
Question
8
8.
The value of
3
-3
÷
(-3)
-2
(i)
3
-4
(ii)
4
-1
(iii)
3
-1
(iv)
3
-2
(v)
5
-1
Question
9
9.
(
(
-3
5
)
✕
6
5
)
-9/5
=
(i)
(
-9/5
)
(
-3
5
)
✕
(
-9/5
)
(
8
5
)
(ii)
(
-9/5
)
(
-3
5
)
✕
(
-9/5
)
(
6
5
)
(iii)
(
-9/5
)
(
-3
5
)
✕
(
-9/5
)
(
4
5
)
(iv)
(
-9/5
)
(
-3
5
)
✕
(
-9/7
)
(
6
5
)
(v)
(
-9/5
)
(
-3
5
)
✕
-3
(
6
5
)
Question
10
10.
(
7
5
✕
(
-2
3
)
)
9
=
(i)
9
(
7
5
)
✕
9
(
-2
3
)
(ii)
9
(
7
5
)
✕
8
(
-2
3
)
(iii)
9
(
7
5
)
✕
12
(
-2
3
)
(iv)
9
(
7
5
)
✕
9
(
-4
3
)
(v)
9
(
7
5
)
✕
10
(
-2
3
)
Question
11
11.
(
d
(-9)
+
e
(-9)
)
0
=
(i)
d
(-9)
+
e
(-9)
(ii)
0
(iii)
4
(iv)
(-2)
(v)
1
Question
12
12.
Find the reciprocal of
5
4
(i)
4
(
-1
5
)
(ii)
4
(
1
5
)
(iii)
3
(
1
5
)
(iv)
4
(
3
5
)
(v)
5
(
1
5
)
Question
13
13.
Expand the following base power
(-2)
-2
(i)
-2
(ii)
1
16
(iii)
1
4
(iv)
(
-1
2
)
(v)
(
-1
8
)
Question
14
14.
(
7
✕
-6
)
9/5
=
(i)
(
9
5
)
7
✕
(
9
5
)
(-3)
(ii)
(
9
5
)
7
✕
(-6)
3
(iii)
(
9
5
)
7
✕
(
9
5
)
(-6)
(iv)
(
9
5
)
7
✕
(
9
7
)
(-6)
(v)
(
9
5
)
7
✕
(
9
5
)
(-9)
Question
15
15.
(-4)
2
=
(i)
-3
(
-1
4
)
(ii)
-2
(
1
4
)
(iii)
-1
(
-1
4
)
(iv)
-2
(
-1
4
)
(v)
-2
(
-3
4
)
Question
16
16.
[
(
-3
5
)
]
3
7
=
(i)
(
-9
5
)
4
(ii)
(
-11
7
)
7
(iii)
(
-7
3
)
7
(iv)
(
-9
5
)
7
(v)
(
-9
5
)
10
Question
17
17.
[
(
6
4
)
2
✕
(
6
2
)
2
]
÷
6
12
(i)
2
(ii)
6
(iii)
0
(iv)
1
(v)
3
Question
18
18.
Simplify the expression
(
-9
8
)
(-6)
✕
(
-8
9
)
(-6)
✕
(
-7
2
)
(-6)
(i)
(
-11
2
)
(-6)
(ii)
(
-397
72
)
(-4)
(iii)
(
-387
70
)
(-6)
(iv)
(
-397
72
)
(-6)
(v)
(
-397
72
)
(-8)
Question
19
19.
Simplify the expression
(-5)
-4
✕
(-5)
-4
✕
(-5)
-4
(i)
(-5)
-12
(ii)
(-5)
-13
(iii)
(-8)
-12
(iv)
(-5)
-11
(v)
(-3)
-12
Question
20
20.
i
✕
i
✕
i
✕
i
✕
j
✕
j
✕
k
✕
k
✕
k
=
(i)
−
i
4
j
2
k
3
(ii)
i
5
j
2
k
3
(iii)
i
4
j
2
k
3
(iv)
3
i
4
j
2
k
3
(v)
i
3
j
2
k
3
Question
21
21.
Simplify the expression
(
-9/7
)
(
-4
3
)
✕
(
-9/7
)
(
-9
8
)
✕
(
-9/7
)
(
-7
5
)
(i)
(
-9/7
)
(
-21
10
)
(ii)
(
-9/7
)
(
-19
10
)
(iii)
(
-9/5
)
(
-21
10
)
(iv)
-1
(
-21
10
)
(v)
(
-9/7
)
(
-23
10
)
Question
22
22.
(
-5
2
)
(-6)
(
-5
3
)
(-6)
=
(i)
(
-5
4
)
(-6)
(ii)
(
-5
6
)
(-6)
(iii)
(
-5
6
)
(-9)
(iv)
(
-5
8
)
(-6)
(v)
(
-5
6
)
(-4)
Question
23
23.
(
-5
✕
-7
)
-2
=
(i)
(-5)
-2
✕
(-4)
-2
(ii)
(-5)
-2
✕
(-7)
-1
(iii)
(-5)
-2
✕
(-7)
-3
(iv)
(-5)
-2
✕
(-7)
-2
(v)
(-5)
-2
✕
(-9)
-2
Question
24
24.
Simplify the expression
(
7
4
)
(-6)
✕
(
7
4
)
(-6)
✕
(
7
4
)
(-6)
(i)
(
21
4
)
(-6)
(ii)
(
31
6
)
(-6)
(iii)
(
11
2
)
(-6)
(iv)
(
21
4
)
(-8)
(v)
(
21
4
)
(-3)
Question
25
25.
Simplify
(
u
f
u
g
)
h
(
u
g
u
h
)
f
(
u
h
u
f
)
g
(i)
u
(ii)
0
(iii)
1
(iv)
-1
(v)
u
(
f
+
g
+
h
)
Assignment Key
1) (ii)
2) (iii)
3) (i)
4) (i)
5) (v)
6) (iii)
7) (iv)
8) (iii)
9) (ii)
10) (i)
11) (v)
12) (ii)
13) (iii)
14) (iii)
15) (iv)
16) (iv)
17) (iv)
18) (iv)
19) (i)
20) (iii)
21) (i)
22) (ii)
23) (iv)
24) (i)
25) (iii)
