Cardinal numbers are used to count how many objects are in a set: one, two, three, six, ... Cardinal numbers are natural numbers or positive integers. Decimal numbers are used to measure quantity, length, mass, etc. Example: $14.75 US Dollar, 49.25 meters, 28.45 kilograms, ...
Letter case 2 of 8
138.9 spelled out in:
UPPERCASE
ALL UPPERCASE LETTERS:
ONE HUNDRED THIRTY-EIGHT AND NINE TENTHS
~ or, simpler:
ONE HUNDRED THIRTY-EIGHT POINT NINE
~ or, simpler and clearer:
ONE HUNDRED THIRTY-EIGHT POINT NINE ZERO
ONE HUNDRED THIRTY-EIGHT POINT NINE OH
Letter case 3 of 8
138.9 Converted to words written in:
Title Case * (note below)
Capital Letters at the Beginning of the Main Words:
One Hundred Thirty-Eight and Nine Tenths
~ or, simpler:
One Hundred Thirty-Eight Point Nine
~ or, simpler and clearer:
One Hundred Thirty-Eight Point Nine Zero
One Hundred Thirty-Eight Point Nine Oh
Letter case 4 of 8
138.9 written out in words in:
Sentence case
Capital letter only at the beginning of the sentence:
One hundred thirty-eight and nine tenths
~ or, simpler:
One hundred thirty-eight point nine
~ or, simpler and clearer:
One hundred thirty-eight point nine zero
One hundred thirty-eight point nine oh
Letter case 5 of 8
138.9 spelled out in:
Start Case
Capital Letters At The Beginning Of Each Word:
One Hundred Thirty-Eight And Nine Tenths
~ or, simpler:
One Hundred Thirty-Eight Point Nine
~ or, simpler and clearer:
One Hundred Thirty-Eight Point Nine Zero
One Hundred Thirty-Eight Point Nine Oh
Letter case 6 of 8
138.9 Converted to words written in:
camelCase
first letter in lower case,
subsequent words' first letters in uppercase
spaces and punctuation removed: