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
7.670912
✕
10
9
(i)
76709120
(ii)
767091200000
(iii)
767091200
(iv)
7670912000
(v)
76709120000
Question
2
2.
Write the given number in usual form
9.195695
(i)
9.195695
(ii)
0.9195695
(iii)
919.56949999999983
(iv)
91.95694999999999
(v)
0.09195695
Question
3
3.
Write the given number in usual form
-2.241885
✕
10
9
(i)
-22418850000
(ii)
-224188500000
(iii)
-22418850
(iv)
-2241885000
(v)
-224188500
Question
4
4.
Write the given number in usual form
-5.746456
✕
10
-3
(i)
-0.05746456
(ii)
-0.00005746456
(iii)
-0.0005746456
(iv)
-0.005746456
(v)
-0.5746456
Question
5
5.
Represent the given large number in scientific form
5635546000
(i)
5.635546
✕
10
8
(ii)
5.635546
✕
10
7
(iii)
5.635546
✕
10
11
(iv)
5.635546
✕
10
10
(v)
5.635546
✕
10
9
Question
6
6.
Represent the given small number in scientific form
0.0004811873
(i)
4.811873
✕
10
-4
(ii)
4.811873
✕
10
-5
(iii)
4.811873
✕
10
-3
(iv)
4.811873
✕
10
-2
(v)
4.811873
✕
10
-6
Question
7
7.
Represent the given large number in scientific form
-167586100
(i)
-1.675861
✕
10
9
(ii)
-1.675861
✕
10
8
(iii)
-1.675861
✕
10
10
(iv)
-1.675861
✕
10
7
(v)
-1.675861
✕
10
6
Question
8
8.
Represent the given small number in scientific form
-0.000001635074
(i)
-1.635074
✕
10
-8
(ii)
-1.635074
✕
10
-6
(iii)
-1.635074
✕
10
-7
(iv)
-1.635074
✕
10
-5
(v)
-1.635074
✕
10
-4
Question
9
9.
Represent the given large number in standard form
57012710000
✕
10
5
(i)
5.701271
✕
10
17
(ii)
5.701271
✕
10
16
(iii)
5.701271
✕
10
14
(iv)
5.701271
✕
10
15
(v)
5.701271
✕
10
13
Question
10
10.
Represent the given small number in standard form
7.927311
✕
10
-9
(i)
7.927311
✕
10
-10
(ii)
7.927311
✕
10
-9
(iii)
7.927311
✕
10
-8
(iv)
7.927311
✕
10
-11
(v)
7.927311
✕
10
-7
Question
11
11.
Represent the given large number in standard form
-90395870000
✕
10
3
(i)
-9.039587
✕
10
13
(ii)
-9.039587
✕
10
15
(iii)
-9.039587
✕
10
11
(iv)
-9.039587
✕
10
12
(v)
-9.039587
✕
10
14
Question
12
12.
Represent the given small number in standard form
-0.04861043
✕
10
-7
(i)
-4.861043
✕
10
-8
(ii)
-4.861043
✕
10
-10
(iii)
-4.861043
✕
10
-7
(iv)
-4.861043
✕
10
-9
(v)
-4.861043
✕
10
-11
Assignment Key
1) (iv)
2) (i)
3) (iv)
4) (iv)
5) (v)
6) (i)
7) (ii)
8) (ii)
9) (iv)
10) (ii)
11) (i)
12) (iv)
