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
4.09 spelled out in:
UPPERCASE
ALL UPPERCASE LETTERS:
FOUR AND NINE HUNDREDTHS
or, simpler:
FOUR POINT ZERO NINE
or, simpler:
FOUR POINT OH NINE
Letter case 3 of 8
4.09 Converted to words written in:
Title Case * (note below)
Capital Letters at the Beginning of the Main Words:
Four and Nine Hundredths
or, simpler:
Four Point Zero Nine
or, simpler:
Four Point Oh Nine
Letter case 4 of 8
4.09 written out in words in:
Sentence case
Capital letter only at the beginning of the sentence:
Four and nine hundredths
or, simpler:
Four point zero nine
or, simpler:
Four point oh nine
Letter case 5 of 8
4.09 spelled out in:
Start Case
Capital Letters At The Beginning Of Each Word:
Four And Nine Hundredths
~ or, simpler:
Four Point Zero Nine
~ or, even simpler:
Four Point Oh Nine
Letter case 6 of 8
4.09 Converted to words written in:
camelCase
first letter in lower case,
subsequent words' first letters in uppercase
spaces and punctuation removed: