It's 9,000,000,000,
One thousand = 1,000 Nine thousand = 9,000 One million = 1,000,000 Nine thousand million = 9,000,000,000
3.90000
2,009,900
The number is 909110001 is a number. To write this number out in words it would write out at nine hundred nine million, one hundred ten thousand, and one.
49,900,000
9,000,802
It is: 9,700,000
29,100,000.9
1,999,998
nine million
29,103,000.9
nine million looks like this 9,000,000 so we look at the number of zeros and use them to work out its standard form. 9 x 106 = nine million