Four Hundred and thirty eightor438
two hundred thirty-eight.
Eight thousand, thirty-eight and five tenths.
In words 4.38 is four and thirty-eight hundredths
Five hundred thirty-eight.
Three and eight tenths.
thirty-eight (I can't believe you don't know this)
"One point three eight" or "one point thirty-eight" or " one and thirty-eight one hundredths."
Four Hundred and thirty eightor438
two hundred thirty-eight.
Thirty eight.
3800
Eight thousand, thirty-eight and five tenths.
Thirty-two and thirty-eight hundredths.
In words 4.38 is four and thirty-eight hundredths
2,830 = Two thousand eight hundred and thirty.
Seven hundred and thirty-eight.