Twenty-first.
Eighth.
The answer will depend on what the fraction is.
Forty one hundredths.
three and twenty-five thousandths
write the following decimal numbers in words .0087945
The twenty first day
yes
She may not have WRITTEN it, but she is the singer of 21st Century Girl.
21st or twenty-first.
because she wanted to
April 21st, 2008 is written as XXI.IV.MMVIII in Roman numerals.
If you are writing for a formal or academic purpose, you must write out twenty first century.
The ancient Egyptians far suppassed the intelligence of the 21st century Egyptians.
21 3 11
The correct spelling is twenty-first. Or in numerals you write it as 21st.
"today"
"today"