Yes, you should use hyphens in "eleven-year-old" when it functions as a compound adjective before a noun. For example, you would say "an eleven-year-old child." However, when using it as a predicate adjective after a verb, you do not need hyphens: "The child is eleven years old."
no hyphens - 57 years old is what you are.
he is eleven years old
yes because he is two years older than you and i think you need to wait to date because if you is nine years old you is too young to date a eleven years old
Most people would spell it sixteen-year-old child. But over the last 20 years, people are ignoring the hyphens.
Unsurprisingly, the average age of an eleven year old is eleven years old.
It means I am eleven years old. Tengo- I have. Once- Eleven. Anos- years.
She's eleven years old.
She is Eleven Years old.
If an eleven-year-old is currently 11 years old, we can calculate their age in 2050 by adding the difference in years from now to 2050. Assuming it's currently 2023, that would be a difference of 27 years. Therefore, in 2050, the eleven-year-old will be 38 years old.
It means I am eleven years old. Tengo- I have. Once- Eleven. Anos- years.
My son turned eleven years old today.
You will be 216 months old