One point four million generally means 1,400,000.
The more accepted way to write the number as stated, however, is in scientific notation:
1.4 ×106
This is due to the fact that the precision of the number is specified to only two significant figures and the long spoken form would be "one million, four hundred thousand," while this notation best describes "one point four million."
Two point four million or 2 million four hundred thousand.
.Two point six four million
4,800,000
Do you mean write it numerically, like: 309,058,304? Hope that answered your question, not quite sure what you mean though. 309,058,304 there you go
You can write that as you wrote in the question: "4.76 million". This would be pronounced as "4 point seven six million". You can also write it as "4 million, seven-hundred and sixty thousand".
400 000
Six billion three hundred four million can be numerically written as 6,304,000,000.
If you are talking numerically, which is in numbers, the answer is 4.05 However, to write it out, you can write four point zero five
902,453,015
400,000
Two point four million or 2 million four hundred thousand.
.Two point six four million
One point four seven million
thirty point four seven million or, thirty million four hundred and seventy thousand
4,800,000
like this ==> 4,300,000
$17,400,000