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
1.396495
✕
10
7
(i)
139649.5
(ii)
13964950
(iii)
1396495000
(iv)
139649500
(v)
1396495
Question
2
2.
Write the given number in usual form
3.190314
✕
10
-6
(i)
0.00003190314
(ii)
0.0003190314
(iii)
0.00000003190314
(iv)
0.0000003190314
(v)
0.000003190314
Question
3
3.
Write the given number in usual form
-4.900128
✕
10
10
(i)
-49001280000
(ii)
-4900128000000
(iii)
-490012800000
(iv)
-4900128000
(v)
-490012800
Question
4
4.
Write the given number in usual form
-4.260814
✕
10
-1
(i)
-0.04260814
(ii)
-42.60814
(iii)
-4.260814
(iv)
-0.004260814
(v)
-0.4260814
Question
5
5.
Represent the given large number in scientific form
182009600000
(i)
1.820096
✕
10
9
(ii)
1.820096
✕
10
12
(iii)
1.820096
✕
10
11
(iv)
1.820096
✕
10
13
(v)
1.820096
✕
10
10
Question
6
6.
Represent the given small number in scientific form
0.0004938829
(i)
4.938829
✕
10
-5
(ii)
4.938829
✕
10
-2
(iii)
4.938829
✕
10
-6
(iv)
4.938829
✕
10
-3
(v)
4.938829
✕
10
-4
Question
7
7.
Represent the given large number in scientific form
-865790300000
(i)
-8.657903
✕
10
9
(ii)
-8.657903
✕
10
12
(iii)
-8.657903
✕
10
11
(iv)
-8.657903
✕
10
13
(v)
-8.657903
✕
10
10
Question
8
8.
Represent the given small number in scientific form
-0.0001981771
(i)
-1.981771
✕
10
-6
(ii)
-1.981771
✕
10
-3
(iii)
-1.981771
✕
10
-5
(iv)
-1.981771
✕
10
-2
(v)
-1.981771
✕
10
-4
Question
9
9.
Represent the given large number in standard form
3640800
✕
10
2
(i)
3.6408
✕
10
7
(ii)
3.6408
✕
10
6
(iii)
3.6408
✕
10
10
(iv)
3.6408
✕
10
8
(v)
3.6408
✕
10
9
Question
10
10.
Represent the given small number in standard form
0.000237816
✕
10
-9
(i)
2.37816
✕
10
-11
(ii)
2.37816
✕
10
-13
(iii)
2.37816
✕
10
-12
(iv)
2.37816
✕
10
-14
(v)
2.37816
✕
10
-15
Question
11
11.
Represent the given large number in standard form
-58515480
✕
10
5
(i)
-5.851548
✕
10
10
(ii)
-5.851548
✕
10
11
(iii)
-5.851548
✕
10
13
(iv)
-5.851548
✕
10
14
(v)
-5.851548
✕
10
12
Question
12
12.
Represent the given small number in standard form
-9.225717
✕
10
-7
(i)
-9.225717
✕
10
-5
(ii)
-9.225717
✕
10
-8
(iii)
-9.225717
✕
10
-7
(iv)
-9.225717
✕
10
-6
(v)
-9.225717
✕
10
-9
Assignment Key
1) (ii)
2) (v)
3) (i)
4) (v)
5) (iii)
6) (v)
7) (iii)
8) (v)
9) (iv)
10) (ii)
11) (v)
12) (iii)
