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
1.532171
✕
10
8
(i)
1532171
(ii)
1532171000
(iii)
153217100
(iv)
15321710000
(v)
15321710
Question
2
2.
Write the given number in usual form
2.641728
✕
10
-2
(i)
0.002641728
(ii)
0.0002641728
(iii)
0.02641728
(iv)
2.641728
(v)
0.2641728
Question
3
3.
Write the given number in usual form
-4.959835
✕
10
9
(i)
-495983500000
(ii)
-4959835000
(iii)
-49598350000
(iv)
-495983500
(v)
-49598350
Question
4
4.
Write the given number in usual form
-2.244947
✕
10
-2
(i)
-2.244947
(ii)
-0.002244947
(iii)
-0.2244947
(iv)
-0.0002244947
(v)
-0.02244947
Question
5
5.
Represent the given large number in scientific form
5608694000000
(i)
5.608694
✕
10
12
(ii)
5.608694
✕
10
13
(iii)
5.608694
✕
10
11
(iv)
5.608694
✕
10
10
(v)
5.608694
✕
10
14
Question
6
6.
Represent the given small number in scientific form
0.006981038
(i)
6.981038
✕
10
-1
(ii)
6.981038
✕
10
-5
(iii)
6.981038
✕
10
-2
(iv)
6.981038
✕
10
-4
(v)
6.981038
✕
10
-3
Question
7
7.
Represent the given large number in scientific form
-482433300000
(i)
-4.824333
✕
10
12
(ii)
-4.824333
✕
10
11
(iii)
-4.824333
✕
10
13
(iv)
-4.824333
✕
10
9
(v)
-4.824333
✕
10
10
Question
8
8.
Represent the given small number in scientific form
-0.496409
(i)
-4.96409
(ii)
-4.96409
✕
10
-3
(iii)
-4.96409
✕
10
-1
(iv)
-4.96409
✕
10
(v)
-4.96409
✕
10
-2
Question
9
9.
Represent the given large number in standard form
458394400
✕
10
2
(i)
4.583944
✕
10
9
(ii)
4.583944
✕
10
11
(iii)
4.583944
✕
10
8
(iv)
4.583944
✕
10
12
(v)
4.583944
✕
10
10
Question
10
10.
Represent the given small number in standard form
0.000009706043
✕
10
-8
(i)
9.706043
✕
10
-15
(ii)
9.706043
✕
10
-16
(iii)
9.706043
✕
10
-14
(iv)
9.706043
✕
10
-13
(v)
9.706043
✕
10
-12
Question
11
11.
Represent the given large number in standard form
-4704770
✕
10
3
(i)
-4.70477
✕
10
7
(ii)
-4.70477
✕
10
11
(iii)
-4.70477
✕
10
8
(iv)
-4.70477
✕
10
10
(v)
-4.70477
✕
10
9
Question
12
12.
Represent the given small number in standard form
-0.007812816
✕
10
-12
(i)
-7.812816
✕
10
-17
(ii)
-7.812816
✕
10
-13
(iii)
-7.812816
✕
10
-15
(iv)
-7.812816
✕
10
-14
(v)
-7.812816
✕
10
-16
Assignment Key
1) (iii)
2) (iii)
3) (ii)
4) (v)
5) (i)
6) (v)
7) (ii)
8) (iii)
9) (v)
10) (iii)
11) (v)
12) (iii)