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
6.342197
✕
10
12
(i)
634219700000
(ii)
6342197000000
(iii)
634219700000000
(iv)
63421970000
(v)
63421970000000
Question
2
2.
Write the given number in usual form
7.983882
✕
10
-6
(i)
0.0000007983882
(ii)
0.0007983882
(iii)
0.00007983882
(iv)
0.00000007983882
(v)
0.000007983882
Question
3
3.
Write the given number in usual form
-7.428729
✕
10
11
(i)
-74287290000
(ii)
-74287290000000
(iii)
-7428729000
(iv)
-742872900000
(v)
-7428729000000
Question
4
4.
Write the given number in usual form
-1.459874
✕
10
-2
(i)
-1.459874
(ii)
-0.0001459874
(iii)
-0.01459874
(iv)
-0.001459874
(v)
-0.1459874
Question
5
5.
Represent the given large number in scientific form
84609250000
(i)
8.460925
✕
10
10
(ii)
8.460925
✕
10
12
(iii)
8.460925
✕
10
11
(iv)
8.460925
✕
10
8
(v)
8.460925
✕
10
9
Question
6
6.
Represent the given small number in scientific form
0.006172892
(i)
6.172892
✕
10
-1
(ii)
6.172892
✕
10
-2
(iii)
6.172892
✕
10
-4
(iv)
6.172892
✕
10
-3
(v)
6.172892
✕
10
-5
Question
7
7.
Represent the given large number in scientific form
-2270665000
(i)
-2.270665
✕
10
7
(ii)
-2.270665
✕
10
11
(iii)
-2.270665
✕
10
9
(iv)
-2.270665
✕
10
8
(v)
-2.270665
✕
10
10
Question
8
8.
Represent the given small number in scientific form
-0.000005274894
(i)
-5.274894
✕
10
-5
(ii)
-5.274894
✕
10
-6
(iii)
-5.274894
✕
10
-4
(iv)
-5.274894
✕
10
-7
(v)
-5.274894
✕
10
-8
Question
9
9.
Represent the given large number in standard form
8773985
✕
10
5
(i)
8.773985
✕
10
11
(ii)
8.773985
✕
10
13
(iii)
8.773985
✕
10
10
(iv)
8.773985
✕
10
12
(v)
8.773985
✕
10
9
Question
10
10.
Represent the given small number in standard form
0.09745857
✕
10
-10
(i)
9.745857
✕
10
-13
(ii)
9.745857
✕
10
-12
(iii)
9.745857
✕
10
-10
(iv)
9.745857
✕
10
-14
(v)
9.745857
✕
10
-11
Question
11
11.
Represent the given large number in standard form
-6831544
✕
10
4
(i)
-6.831544
✕
10
11
(ii)
-6.831544
✕
10
10
(iii)
-6.831544
✕
10
8
(iv)
-6.831544
✕
10
9
(v)
-6.831544
✕
10
12
Question
12
12.
Represent the given small number in standard form
-0.008117425
✕
10
-12
(i)
-8.117425
✕
10
-16
(ii)
-8.117425
✕
10
-13
(iii)
-8.117425
✕
10
-17
(iv)
-8.117425
✕
10
-14
(v)
-8.117425
✕
10
-15
Assignment Key
1) (ii)
2) (v)
3) (iv)
4) (iii)
5) (i)
6) (iv)
7) (iii)
8) (ii)
9) (i)
10) (ii)
11) (ii)
12) (v)
