EduSahara™ Worksheet
Name : Chapter Based Worksheet
Chapter : Exponents
Grade : SSC Grade VII
License : Non Commercial Use
Question
1
1.
The
base
in the term
(
9/2
)
(
9
4
)
is
(i)
9
2
(ii)
7
4
(iii)
(
-9
4
)
(iv)
(
-9
2
)
(v)
9
4
Question
2
2.
Simplify the expression
(
7/5
)
(
7
3
)
✕
(
7/5
)
(
7
3
)
✕
2
(
7
3
)
(i)
(
16/3
)
(
7
3
)
(ii)
(
24
5
)
3
(iii)
(
24/5
)
(
7
3
)
(iv)
(
32/7
)
(
7
3
)
(v)
(
24/5
)
(
5
3
)
Question
3
3.
[
3
-3
]
5/4
=
(i)
(
-9
2
)
3
(ii)
(
-17
4
)
3
(iii)
(
-15
4
)
3
(iv)
(
-7
2
)
3
(v)
(
-15
4
)
5
Question
4
4.
(-6)
4
(-6)
-6
=
(i)
(-6)
9
(ii)
(-4)
10
(iii)
(-9)
10
(iv)
(-6)
11
(v)
(-6)
10
Question
5
5.
If
4
g
=
256
, find
5
g
(i)
628
(ii)
625
(iii)
622
(iv)
624
(v)
626
Question
6
6.
(
-3/5
)
(
-5
2
)
(
5/4
)
(
-5
2
)
=
(i)
(
-37/20
)
(
-3
2
)
(ii)
(
-37/20
)
(
-5
2
)
(iii)
(
-39/22
)
(
-5
2
)
(iv)
(
-35/18
)
(
-5
2
)
(v)
(
-37/20
)
(
-7
2
)
Question
7
7.
The value of
-3
(
-1
2
)
÷
-3
(
-1
2
)
(i)
1
(ii)
(-2)
-1
(iii)
2
-1
(iv)
4
-1
Question
8
8.
Simplify
(
x
p
x
q
)
r
(
x
q
x
r
)
p
(
x
r
x
p
)
q
(i)
x
(ii)
x
(
p
+
q
+
r
)
(iii)
-1
(iv)
0
(v)
1
Question
9
9.
Simplify the expression
(-7)
8
✕
(-7)
8
(i)
(-10)
16
(ii)
(-7)
16
(iii)
(-5)
16
(iv)
(-7)
17
(v)
(-7)
15
Question
10
10.
Simplify the expression
(
-3
5
)
6
✕
(
-9
4
)
6
(i)
(
-61
22
)
6
(ii)
(
-57
20
)
4
(iii)
(
-57
20
)
9
(iv)
(
-57
20
)
6
(v)
(
-53
18
)
6
Question
11
11.
Simplify the expression
6
(
8
3
)
✕
7
(
8
3
)
✕
6
(
8
3
)
(i)
18
(
8
3
)
(ii)
2
19
(iii)
20
(
8
3
)
(iv)
19
(
8
3
)
(v)
19
(
10
3
)
Question
12
12.
Find the exponential notation of
16
75
(i)
2
4
3
✕
7
2
(ii)
2
5
3
✕
5
2
(iii)
2
4
3
✕
5
2
(iv)
2
4
3
✕
2
2
(v)
2
3
3
✕
5
2
Question
13
13.
Represent the given small number in standard form
-0.00002559027
✕
10
-6
(i)
-2.559027
✕
10
-10
(ii)
-2.559027
✕
10
-12
(iii)
-2.559027
✕
10
-9
(iv)
-2.559027
✕
10
-13
(v)
-2.559027
✕
10
-11
Question
14
14.
[
(
-3
4
)
]
-3/2
(-4)
=
(i)
(
9
8
)
(-4)
(ii)
(
7
6
)
(-4)
(iii)
(
11
10
)
(-4)
(iv)
(
9
8
)
(-1)
(v)
(
9
8
)
(-7)
Question
15
15.
[
(
-2/3
)
]
-3
(
-5
7
)
=
(i)
(
-5
7
)
(ii)
3
(
-5
7
)
(iii)
(-1)
2
(iv)
2
(
-5
7
)
(v)
2
(
-3
7
)
Question
16
16.
Simplify the expression
(
-8
7
)
2
✕
(
-8
7
)
2
✕
(
-8
7
)
2
(i)
(
-18
5
)
2
(ii)
(
-10
3
)
2
(iii)
(
-24
7
)
4
(iv)
(
-24
7
)
2
(v)
(
-24
7
)
(-1)
Question
17
17.
Simplify the expression
6
7
✕
6
7
(i)
9
14
(ii)
3
14
(iii)
6
15
(iv)
6
14
(v)
6
13
Question
18
18.
The
power
in the term
2
7
is
(i)
7
1
(ii)
-7
(iii)
2
(iv)
-2
(v)
4
Question
19
19.
Write the given number in usual form
1.377136
✕
10
8
(i)
1377136000
(ii)
1377136
(iii)
137713600
(iv)
13771360000
(v)
13771360
Question
20
20.
a
4
b
3
=
(i)
4
✕
a
✕
a
✕
a
✕
a
✕
b
✕
b
✕
b
(ii)
−
a
✕
a
✕
a
✕
a
✕
b
✕
b
✕
b
(iii)
a
✕
a
✕
a
✕
a
✕
a
✕
b
✕
b
✕
b
(iv)
a
✕
a
✕
a
✕
b
✕
b
✕
b
(v)
a
✕
a
✕
a
✕
a
✕
b
✕
b
✕
b
Question
21
21.
Simplify the expression
(-9)
4
✕
(-3)
4
✕
(-7)
4
(i)
(-191)
4
(ii)
(-189)
3
(iii)
(-189)
4
(iv)
(-187)
4
(v)
(-189)
5
Question
22
22.
Find the exponential notation of
(
-8
7
)
✕
(
-8
7
)
✕
(
-8
7
)
✕
(
-8
7
)
✕
(
-8
7
)
✕
(
-8
7
)
✕
(
-8
7
)
✕
(
-8
7
)
(i)
8
(
-6
7
)
(ii)
8
(
-10
7
)
(iii)
9
(
-8
7
)
(iv)
8
(
-8
7
)
(v)
7
(
-8
7
)
Question
23
23.
-3
(
-5
2
)
=
(i)
4
(
-2
5
)
(ii)
2
(
-2
5
)
(iii)
3
(
-2
5
)
(iv)
3
(
-4
5
)
(v)
6
(
-2
5
)
Question
24
24.
The value of
3
(
-5
3
)
✕
3
(
4
3
)
(i)
2
(
-8000
729
)
(ii)
(
-2666
243
)
(iii)
(
-8000
727
)
(iv)
(
-8000
729
)
(v)
(
-8002
729
)
Question
25
25.
Simplify the expression
(
9/4
)
(
-3
2
)
✕
(
9
4
)
(-7)
(i)
(
3/2
)
(
21
2
)
(ii)
(
9/2
)
(
21
2
)
(iii)
(
9/4
)
(
23
2
)
(iv)
(
9/4
)
(
19
2
)
(v)
(
9/4
)
(
21
2
)
Assignment Key
1) (v)
2) (iii)
3) (iii)
4) (v)
5) (ii)
6) (ii)
7) (i)
8) (v)
9) (ii)
10) (iv)
11) (iv)
12) (iii)
13) (v)
14) (i)
15) (iv)
16) (iv)
17) (iv)
18) (i)
19) (iii)
20) (v)
21) (iii)
22) (iv)
23) (iii)
24) (iv)
25) (v)
