EduSahara™ Worksheet
Name : Chapter Based Worksheet
Chapter : Exponents and Powers
Grade : SSC Grade VIII
License : Non Commercial Use
Question
1
1.
Write the given number in usual form
-1.186743
✕
10
-4
(i)
-0.000001186743
(ii)
-0.0001186743
(iii)
-0.001186743
(iv)
-0.00001186743
(v)
-0.01186743
Question
2
2.
Simplify the expression
(-6)
2
✕
(-6)
2
(i)
(-4)
4
(ii)
(-6)
3
(iii)
(-6)
4
(iv)
(-8)
4
(v)
(-6)
5
Question
3
3.
Simplify the expression
(-9)
-8
✕
(-9)
-8
(i)
81
-7
(ii)
81
-8
(iii)
81
-9
(iv)
79
-8
(v)
83
-8
Question
4
4.
Simplify
4
-2
(-4)
2
(i)
2
-9
(ii)
5
-8
(iii)
2
-11
(iv)
2
-7
(v)
2
-8
Question
5
5.
Find the value of
5
(
-3
4
)
(i)
(
-243
1024
)
(ii)
(
-241
1024
)
(iii)
(
-245
1024
)
(iv)
(
-9
38
)
(v)
(
-243
1022
)
Question
6
6.
Simplify the expression
(
-3
4
)
5
✕
(
-3
4
)
5
(i)
5
-3
(ii)
(
-3
2
)
2
(iii)
(
-3
2
)
7
(iv)
(
-3
2
)
5
(v)
(
-3
4
)
5
Question
7
7.
Write the given number in usual form
5.814802
✕
10
12
(i)
581480200000000
(ii)
5814802000000
(iii)
581480200000
(iv)
58148020000000
(v)
58148020000
Question
8
8.
[
4
]
5
(
-4
3
)
=
(i)
20
(
-4
3
)
(ii)
19
(
-4
3
)
(iii)
(-2)
20
(iv)
21
(
-4
3
)
(v)
20
(
-2
3
)
Question
9
9.
Simplify
4
3
✕
2
-2
✕
(-3)
3
(-3)
2
✕
3
-2
✕
4
-2
(i)
-1
✕
2
8
✕
3
3
(ii)
-1
✕
5
8
✕
3
3
(iii)
-1
✕
2
8
✕
3
2
(iv)
-1
✕
(-1)
8
✕
3
3
(v)
(-1)
2
✕
2
8
✕
3
3
Question
10
10.
The value of
(-2)
-3
÷
3
-3
(i)
(
-25
8
)
(ii)
(
-29
8
)
(iii)
(
-9
2
)
(iv)
2
(
-27
8
)
(v)
(
-27
8
)
Question
11
11.
Simplify
(-3)
-2
✕
3
2
✕
5
2
3
2
✕
(-2)
-2
✕
(-4)
2
(i)
2
(
5
6
)
(ii)
3
(
5
6
)
(iii)
2
(
7
6
)
(iv)
2
(
1
2
)
(v)
5
6
Question
12
12.
-4
(
7
6
)
=
(i)
7
-4
3
-4
(ii)
7
-3
6
-4
(iii)
7
-4
9
-4
(iv)
7
-4
6
-4
(v)
7
-5
6
-4
Question
13
13.
(
7
1
✕
(
-9
5
)
)
5/3
=
(i)
(
5
3
)
7
✕
(
5/3
)
(
-7
5
)
(ii)
(
5
3
)
7
✕
(
5/3
)
(
-9
5
)
(iii)
(
5
3
)
7
✕
(
-9
5
)
(iv)
(
5
3
)
7
✕
5
(
-9
5
)
(v)
(
5
3
)
7
✕
(
5/3
)
(
-11
5
)
Question
14
14.
(
7
6
✕
3
2
)
3
=
(i)
3
(
7
6
)
✕
4
(
3
2
)
(ii)
3
(
7
6
)
✕
2
(
3
2
)
(iii)
3
(
7
6
)
✕
3
(
5
2
)
(iv)
3
(
7
6
)
✕
3
(
3
2
)
(v)
3
(
7
6
)
✕
3
(
1
2
)
Question
15
15.
Simplify
(
x
i
)
(
j
−
k
)
(
x
j
)
(
k
−
i
)
(
x
k
)
(
i
−
j
)
(i)
-1
(ii)
x
(
i
+
j
+
k
)
(iii)
x
(iv)
0
(v)
1
Question
16
16.
Simplify the expression
(
-7
3
)
(-5)
✕
(
-7
3
)
(-5)
(i)
(
-14
3
)
(-8)
(ii)
(
-14
3
)
(-5)
(iii)
(
-22
5
)
(-5)
(iv)
(-5)
-6
(v)
(
-14
3
)
(-3)
Question
17
17.
Simplify the expression
(
-3
2
)
6
✕
(
-9
7
)
6
✕
6
-4
(i)
(
-107
16
)
6
(ii)
(
-95
14
)
6
(iii)
(
-83
12
)
6
(iv)
(
-95
14
)
3
(v)
(
-95
14
)
9
Question
18
18.
Represent the given large number in standard form
-710306900
✕
10
6
(i)
-7.103069
✕
10
15
(ii)
-7.103069
✕
10
14
(iii)
-7.103069
✕
10
16
(iv)
-7.103069
✕
10
13
(v)
-7.103069
✕
10
12
Question
19
19.
(
(
-3
8
)
✕
7
3
✕
(
-3
8
)
)
-7
=
(i)
-7
(
-3
8
)
✕
-8
(
7
3
)
✕
-8
(
-3
8
)
(ii)
-7
(
-3
8
)
✕
-7
(
5
3
)
✕
-7
(
-5
8
)
(iii)
-7
(
-3
8
)
✕
3
-7
✕
-7
(
-1
8
)
(iv)
-7
(
-3
8
)
✕
-7
(
7
3
)
✕
-7
(
-3
8
)
(v)
-7
(
-3
8
)
✕
-6
(
7
3
)
✕
-6
(
-3
8
)
Question
20
20.
[
(-9)
-2
]
2
=
(i)
(-9)
-3
(ii)
(-11)
-4
(iii)
(-9)
-5
(iv)
(-6)
-4
(v)
(-9)
-4
Question
21
21.
Simplify the expression
(-6)
6
✕
(-4)
6
✕
(-4)
6
(i)
(-93)
6
(ii)
(-99)
6
(iii)
(-96)
6
(iv)
(-96)
5
(v)
(-96)
7
Question
22
22.
Simplify the expression
7
(
9
8
)
✕
7
(
9
8
)
✕
7
(
8
7
)
(i)
7
(
83
56
)
(ii)
8
(
81
56
)
(iii)
6
(
81
56
)
(iv)
7
(
81
56
)
(v)
7
(
79
56
)
Question
23
23.
Find the exponential notation of
(
-19
11
)
✕
(
-19
11
)
✕
(
-19
11
)
✕
(
-19
11
)
(i)
4
(
-21
11
)
(ii)
4
(
-17
11
)
(iii)
5
(
-19
11
)
(iv)
3
(
-19
11
)
(v)
4
(
-19
11
)
Question
24
24.
3
(
9
5
)
=
(i)
-3
(
7
9
)
(ii)
-2
(
5
9
)
(iii)
-3
(
5
9
)
(iv)
-3
(
1
3
)
(v)
-4
(
5
9
)
Question
25
25.
√
0.0400
=
(i)
0.1
(ii)
0.2
(iii)
0.02
(iv)
0.3
(v)
0.4
Assignment Key
1) (ii)
2) (iii)
3) (ii)
4) (v)
5) (i)
6) (iv)
7) (ii)
8) (i)
9) (i)
10) (v)
11) (i)
12) (iv)
13) (ii)
14) (iv)
15) (v)
16) (ii)
17) (ii)
18) (ii)
19) (iv)
20) (v)
21) (iii)
22) (iv)
23) (v)
24) (iii)
25) (ii)
