11,011 is how you write eleven thousand eleven
$1090 - one thousand and ninety $1009 - one thousand and nine
In numbers it is: 77,000
seventeen thousand --- In numbers that would be written as 17000 ... or 17,000
You can write a fraction that is a mixed number as a decimal by diving the numerator by the denominator then rounding it to the nearest thousand.
773,000
37,200
5,000
3000
2,140
100,000
90,000