1. Powers of Ten

2. Googol
In year old Milton Sirotta, in conversation with his uncle, the mathematician Edward Kasner, coined the term googol for a number which has a 1 followed by 100 zeroes:
10,000,000,000,000,000,000,000,000,000,000,000,000,000,000,000,000,000,000,000,000,000,000,000,000,000,000,000,000,000,000,000,000,000

3. 106 10
10000
103
1000
101
100000
102
105
100
104

4.
106 ?
100000
105
10000
104 ?
1012
1000
103
100
102
A googol ? 10
101

5. 1000
103
100
102 10
101 ? ? ? ? ? ? ? ?

6. 1000
103
100
102 ? 10
101 ?
10-6 1
100
0.1
10-1
0.01
10-2
0.001
10-3
0.0001
10-4

7. Standard Index Form

8. 106 Million 3 Million = ? 3 x 106 100000 105 Hundred Thousand 10000
106
Million
3 Million = ?
3 x 106
100000
105
Hundred
Thousand
10000
104
Ten
Thousand
1000
103
Thousand
100
102
Hundred 10
101
Ten

9.
106
50000
5 x 104
100000
105
300
3 x 102
10000
104
24000
2.4 x104
1000
103
7000
7 x 103
100
102
2.8 x 106 10
101 42
4.2 x 101

10. Convert these numbers into standard index form:
3000
540
712000 41
780,000,000,000
63452
762
7 x 106
3 x 103
5.4 x 102
7.12 x 105
4.1 x 101
7.8 x 1011
x 104
7.62 x 102

11. Convert these numbers into ordinary form:
3 x 105
7 x 107
4.8 x 103
5.04 x 104
6.9 x 101
7 x 102
5.62 x 101
3.4 x 100
30000
4800
50400 69
700
56.2
3.4

12. 1000
103
0.003 = ?
3 x 10-3
100
102 10
101 1
100
0.1
10-1
0.01
10-2
0.001
10-3
0.0001
10-4

13. 0.0005
5 x 10-4
0.1
10-1
0.3
3 x 10-1
0.01
10-2
5.7 x10-5
0.001
10-3
0.007
7 x 10-3
0.0001
10-4
10-5
2.8 x 10-6
10-6
0.042
4.2 x 10-2

14. Convert these numbers into standard index form:
0.003
0.02
0.0079
0.7
0.0063
0.038
0.43
3 x 10-3
5 x 10-5
2 x 10-2
7.9 x 10-3
7 x 10-1
6.3 x 10-3
3.8 x 10-2
4.3 x 10-1

15. Convert these numbers into ordinary form:
3 x 10-4
7 x 10-6
4.8 x 10-3
5.04 x 10-2
6.9 x 10-1
7 x 10-8
5.62 x 10-3
3.4 x 10-5
0.0003
0.0048
0.0504
0.69