EduSahara™ Assignment
Name : Representing Numbers in Standard Form
Chapter : Exponents and Powers
Grade : CBSE Grade VII
License : Non Commercial Use
Question
1
1.
Write the given number in usual form
7.91461
✕
10
8
(i)
7914610000
(ii)
79146100000
(iii)
7914610
(iv)
791461000
(v)
79146100
Question
2
2.
Write the given number in usual form
3.486192
✕
10
-2
(i)
0.03486192
(ii)
0.0003486192
(iii)
0.3486192
(iv)
3.486192
(v)
0.003486192
Question
3
3.
Write the given number in usual form
-9.130033
✕
10
12
(i)
-91300330000000
(ii)
-9130033000000
(iii)
-91300330000
(iv)
-913003300000000
(v)
-913003300000
Question
4
4.
Write the given number in usual form
-1.372698
✕
10
-3
(i)
-0.001372698
(ii)
-0.00001372698
(iii)
-0.0001372698
(iv)
-0.1372698
(v)
-0.01372698
Question
5
5.
Represent the given large number in scientific form
935332500000
(i)
9.353325
✕
10
12
(ii)
9.353325
✕
10
11
(iii)
9.353325
✕
10
13
(iv)
9.353325
✕
10
9
(v)
9.353325
✕
10
10
Question
6
6.
Represent the given small number in scientific form
0.6889514
(i)
6.889514
✕
10
(ii)
6.889514
✕
10
-2
(iii)
6.889514
(iv)
6.889514
✕
10
-3
(v)
6.889514
✕
10
-1
Question
7
7.
Represent the given large number in scientific form
-91533760
(i)
-9.153376
✕
10
5
(ii)
-9.153376
✕
10
8
(iii)
-9.153376
✕
10
9
(iv)
-9.153376
✕
10
7
(v)
-9.153376
✕
10
6
Question
8
8.
Represent the given small number in scientific form
-0.00001812641
(i)
-1.812641
✕
10
-4
(ii)
-1.812641
✕
10
-5
(iii)
-1.812641
✕
10
-6
(iv)
-1.812641
✕
10
-7
(v)
-1.812641
✕
10
-3
Question
9
9.
Represent the given large number in standard form
80680440000
✕
10
6
(i)
8.068044
✕
10
17
(ii)
8.068044
✕
10
14
(iii)
8.068044
✕
10
18
(iv)
8.068044
✕
10
15
(v)
8.068044
✕
10
16
Question
10
10.
Represent the given small number in standard form
0.07631605
✕
10
-9
(i)
7.631605
✕
10
-11
(ii)
7.631605
✕
10
-12
(iii)
7.631605
✕
10
-13
(iv)
7.631605
✕
10
-9
(v)
7.631605
✕
10
-10
Question
11
11.
Represent the given large number in standard form
-9173037
✕
10
5
(i)
-9.173037
✕
10
13
(ii)
-9.173037
✕
10
11
(iii)
-9.173037
✕
10
10
(iv)
-9.173037
✕
10
9
(v)
-9.173037
✕
10
12
Question
12
12.
Represent the given small number in standard form
-0.2179333
✕
10
-12
(i)
-2.179333
✕
10
-13
(ii)
-2.179333
✕
10
-11
(iii)
-2.179333
✕
10
-14
(iv)
-2.179333
✕
10
-12
(v)
-2.179333
✕
10
-15
Assignment Key
1) (iv)
2) (i)
3) (ii)
4) (i)
5) (ii)
6) (v)
7) (iv)
8) (ii)
9) (v)
10) (i)
11) (ii)
12) (i)
