Well, honey, you write two point nine million as 2,900,000. It's not rocket science, just slap a couple of zeros on the end and call it a day. Math doesn't have to be complicated, just keep it simple and move on with your fabulous self.
900,000
$1,009,000
900,098,070
3,060,066,900
9 million
900,000
9,800,000
1,900,000.00
Nine million, one hundred thousand or Nine point one million
900,000
Like this: 9,000,000
It is: 3,000,009
1,000,009
1,000,900
It is: 3,000,900
$16,900,000.00 or $16.9 million
1,290,000