4.0
forty billion 40,000,000,000
I write it as $4,500
40 10,000/forty ten thousands
40,048,000
Forty-three billion (43,000,000,000).
Forty-first = 41st
forty billion 40,000,000,000
0.040
Factors refer to whole numbers, not fractions.
40,840
Forty-four.
44,044
You would write forty-three thousandths as: .043.
I would write it as five and forty-five thousandths.
forty
Forty thousandths.
'Forty point zero four four'.