EduSahara™ Worksheet
Name : Chapter Based Worksheet
Chapter : Exponents
Grade : SSC Grade VII
License : Non Commercial Use
Question
1
1.
Simplify the expression
-7
(
-7
4
)
✕
-7
(
-7
4
)
(i)
-13
(
-7
4
)
(ii)
-14
(
-9
4
)
(iii)
-14
(
-5
4
)
(iv)
-15
(
-7
4
)
(v)
-14
(
-7
4
)
Question
2
2.
-1
10
=
(i)
-1
(ii)
undefined
(iii)
∞
(iv)
1
(v)
0
Question
3
3.
Simplify the expression
6
9
✕
6
9
(i)
9
18
(ii)
6
18
(iii)
6
17
(iv)
6
19
(v)
3
18
Question
4
4.
-1
7
=
(i)
1
(ii)
0
(iii)
∞
(iv)
undefined
(v)
-1
Question
5
5.
Simplify the expression
(
8
5
)
7
✕
(
8
5
)
7
✕
(
8
5
)
5
(i)
(
8
5
)
247
(ii)
(
8
5
)
242
(iii)
(
8
5
)
245
(iv)
(
8
7
)
245
(v)
(
8
3
)
245
Question
6
6.
Expand the following base power
2
(
-2
3
)
(i)
16
9
(ii)
(
-8
27
)
(iii)
4
9
(iv)
16
81
(v)
(
-2
3
)
Question
7
7.
15
e
4
f
4
g
3
=
(i)
15
✕
e
✕
e
✕
e
✕
e
✕
e
✕
f
✕
f
✕
f
✕
f
✕
g
✕
g
✕
g
(ii)
15
✕
e
✕
e
✕
e
✕
e
✕
f
✕
f
✕
f
✕
f
✕
g
✕
g
✕
g
(iii)
13
✕
e
✕
e
✕
e
✕
e
✕
f
✕
f
✕
f
✕
f
✕
g
✕
g
✕
g
(iv)
17
✕
e
✕
e
✕
e
✕
e
✕
f
✕
f
✕
f
✕
f
✕
g
✕
g
✕
g
(v)
15
✕
e
✕
e
✕
e
✕
f
✕
f
✕
f
✕
f
✕
g
✕
g
✕
g
Question
8
8.
h
4
i
3
=
(i)
h
✕
h
✕
h
✕
h
✕
i
✕
i
✕
i
(ii)
-2
✕
h
✕
h
✕
h
✕
h
✕
i
✕
i
✕
i
(iii)
h
✕
h
✕
h
✕
h
✕
h
✕
i
✕
i
✕
i
(iv)
h
✕
h
✕
h
✕
i
✕
i
✕
i
(v)
3
✕
h
✕
h
✕
h
✕
h
✕
i
✕
i
✕
i
Question
9
9.
Find the exponential notation of
675
8
(i)
3
2
✕
5
2
2
3
(ii)
3
3
✕
5
2
4
3
(iii)
3
3
✕
5
2
2
(iv)
3
3
✕
5
2
2
3
(v)
3
4
✕
5
2
2
3
Question
10
10.
Write the given number in usual form
5.042427
✕
10
-1
(i)
5.042427
(ii)
50.42426999999999
(iii)
0.005042427
(iv)
0.05042427
(v)
0.5042427
Question
11
11.
8
0
=
(i)
1
(ii)
undefined
(iii)
0
(iv)
-1
(v)
∞
Question
12
12.
Simplify
3
-1
+
9
0
+
5
1
+
2
-1
(i)
13
2
(ii)
29
4
(iii)
53
8
(iv)
43
6
(v)
41
6
Question
13
13.
The value of
2
(
-5
3
)
✕
3
(
-5
2
)
(i)
(
-3127
72
)
(ii)
(
-347
8
)
(iii)
2
(
-3125
72
)
(iv)
(
-3125
72
)
(v)
(
-625
14
)
Question
14
14.
Simplify the expression
(
8/5
)
(
5
4
)
✕
(
8/5
)
(
4
3
)
✕
(
8/5
)
(
9
7
)
(i)
(
8/5
)
(
17
7
)
(ii)
(
8/5
)
(
15
7
)
(iii)
(
8/3
)
(
15
7
)
(iv)
(
8/5
)
(
13
7
)
(v)
(
8/7
)
(
15
7
)
Question
15
15.
Find the exponential notation of
9
20
(i)
3
3
2
2
✕
5
(ii)
3
2
2
2
✕
5
(iii)
3
2
4
2
✕
5
(iv)
3
2
2
2
✕
2
(v)
3
2
2
✕
5
Question
16
16.
[
(
8
6
)
5
✕
(
8
5
)
3
]
÷
8
45
(i)
1
(ii)
4
(iii)
8
(iv)
0
(v)
2
Question
17
17.
If
729
(
d
+
1
)
=
81
2
d
, find
d
(i)
2
(ii)
0
(iii)
4
(iv)
5
(v)
3
Question
18
18.
Simplify the expression
(
-6/7
)
(
-3
8
)
✕
(
-6/7
)
(
-3
8
)
✕
(
-6/7
)
(
-3
8
)
(i)
(
-18/7
)
(
-3
8
)
(ii)
(
-18/7
)
(
-5
8
)
(iii)
(
-14/5
)
(
-3
8
)
(iv)
(
-18/7
)
(
-1
8
)
(v)
(
-22/9
)
(
-3
8
)
Question
19
19.
(
x
)
(
p
−
q
)
.
(
x
)
(
q
−
r
)
.
(
x
)
(
r
−
p
)
=
(i)
4
(ii)
0
(iii)
(-2)
(iv)
1
(v)
2
Question
20
20.
(
-3/5
)
(
-5
9
)
=
(i)
(
-3
5
)
(-5)
(
-3
5
)
6
(ii)
(
-3
5
)
(-5)
(
-3
5
)
12
(iii)
(
-3
7
)
(-5)
(
-3
5
)
9
(iv)
(-5)
-1
(
-3
5
)
9
(v)
(
-3
5
)
(-5)
(
-3
5
)
9
Question
21
21.
Find the prime factorization of
15360
(i)
5
10
✕
3
✕
5
(ii)
2
10
✕
3
✕
5
2
(iii)
2
10
✕
3
✕
2
(iv)
2
10
✕
3
✕
5
(v)
2
10
✕
2
✕
5
Question
22
22.
Expand the following base power
(-3)
-4
(i)
(
-1
243
)
(ii)
(
-1
27
)
(iii)
1
81
(iv)
1
9
(v)
1
625
Question
23
23.
Simplify the expression
(
-2/5
)
(
-2
9
)
✕
(
-2/5
)
(
-9
8
)
(i)
(
-2/3
)
(
1
4
)
(ii)
(
-2/5
)
(
3
4
)
(iii)
(
-2/5
)
(
1
4
)
(iv)
(
-2/5
)
(
-1
4
)
(v)
(
-2/7
)
(
1
4
)
Question
24
24.
Expand the following base power
3
2
(i)
9
(ii)
27
(iii)
36
(iv)
0
(v)
3
Question
25
25.
If
125
(
g
+
1
)
=
625
12
=
5
h
, find
h
(i)
45
(ii)
47
(iii)
49
(iv)
48
(v)
51
Assignment Key
1) (v)
2) (iv)
3) (ii)
4) (v)
5) (iii)
6) (iii)
7) (ii)
8) (i)
9) (iv)
10) (v)
11) (i)
12) (v)
13) (iv)
14) (ii)
15) (ii)
16) (i)
17) (v)
18) (i)
19) (iv)
20) (v)
21) (iv)
22) (iii)
23) (iii)
24) (i)
25) (iv)
