21000 is not a decimal. If you meant 21 thousandths, this would be 0.021
One thousand = 1,000
8,000
Three thousands is 3,000. Three thousandths is 0.003
It is 31,000.57
All terminating decimals can be written as fractions.
31,000.57
200.8
Two thousand eleven. Reserve "and" for numbers that include decimals or fractions.
what is the decimal form for one thousand times one thousand
it depends on wether your talking with or with out decimals, if using decimals its 49,000.49 if your not talking with decimals than you would write 49,049
Two thousand three hundred because and is only for decimals
0.8008