6.2301x104
60000
30
2572531
Standard form of 30 is 3.0 × 101
The way you wrote it is the standard form.
It is: 0.30 = 3.0*10^-1 in standard form
200000000 + 90000000 + 4000000 + 300000 + 60000 + 5000 + 400 + 30 + 2
2 thousand 4 hundred 30 (2,430) in standard form is 2.43 × 103
3000
32,471.407
A normal work year is 2000 hours, so the yearly income would be about $60K.
1,000,500,303 is the standard form.