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
7.492022
✕
10
10
(i)
7492022000
(ii)
74920220000
(iii)
7492022000000
(iv)
749202200
(v)
749202200000
Question
2
2.
Write the given number in usual form
3.007235
✕
10
-5
(i)
0.003007235
(ii)
0.0000003007235
(iii)
0.00003007235
(iv)
0.0003007235
(v)
0.000003007235
Question
3
3.
Write the given number in usual form
-7.440885
✕
10
10
(i)
-7440885000000
(ii)
-744088500
(iii)
-7440885000
(iv)
-744088500000
(v)
-74408850000
Question
4
4.
Write the given number in usual form
-8.054992
✕
10
-4
(i)
-0.008054992
(ii)
-0.000008054992
(iii)
-0.0008054992
(iv)
-0.00008054992
(v)
-0.08054992
Question
5
5.
Represent the given large number in scientific form
47398260
(i)
4.739826
✕
10
8
(ii)
4.739826
✕
10
5
(iii)
4.739826
✕
10
7
(iv)
4.739826
✕
10
6
(v)
4.739826
✕
10
9
Question
6
6.
Represent the given small number in scientific form
1.571265
(i)
1.571265
(ii)
1.571265
✕
10
2
(iii)
1.571265
✕
10
-2
(iv)
1.571265
✕
10
(v)
1.571265
✕
10
-1
Question
7
7.
Represent the given large number in scientific form
-6325590000
(i)
-6.32559
✕
10
11
(ii)
-6.32559
✕
10
8
(iii)
-6.32559
✕
10
10
(iv)
-6.32559
✕
10
9
(v)
-6.32559
✕
10
7
Question
8
8.
Represent the given small number in scientific form
-0.00003653547
(i)
-3.653547
✕
10
-5
(ii)
-3.653547
✕
10
-6
(iii)
-3.653547
✕
10
-3
(iv)
-3.653547
✕
10
-4
(v)
-3.653547
✕
10
-7
Question
9
9.
Represent the given large number in standard form
23262310
✕
10
3
(i)
2.326231
✕
10
11
(ii)
2.326231
✕
10
8
(iii)
2.326231
✕
10
9
(iv)
2.326231
✕
10
12
(v)
2.326231
✕
10
10
Question
10
10.
Represent the given small number in standard form
0.00769942
✕
10
-12
(i)
7.69942
✕
10
-17
(ii)
7.69942
✕
10
-14
(iii)
7.69942
✕
10
-16
(iv)
7.69942
✕
10
-13
(v)
7.69942
✕
10
-15
Question
11
11.
Represent the given large number in standard form
-8967585000000
✕
10
3
(i)
-8.967585
✕
10
17
(ii)
-8.967585
✕
10
13
(iii)
-8.967585
✕
10
15
(iv)
-8.967585
✕
10
14
(v)
-8.967585
✕
10
16
Question
12
12.
Represent the given small number in standard form
-0.0613629
✕
10
-11
(i)
-6.13629
✕
10
-13
(ii)
-6.13629
✕
10
-15
(iii)
-6.13629
✕
10
-12
(iv)
-6.13629
✕
10
-14
(v)
-6.13629
✕
10
-11
Assignment Key
1) (ii)
2) (iii)
3) (v)
4) (iii)
5) (iii)
6) (i)
7) (iv)
8) (i)
9) (v)
10) (v)
11) (iii)
12) (i)
