decade
The word for ten million centuries is "one trillion years." A century is 100 years, so ten million centuries equals ten million times 100, which is one trillion years.
Ten and one tenth
One ten-billionth meter or one ten-billionth of a meter.
Approx. 3.3 years.
Two. Or three. Depends on where the first one occurs in the period of ten years, and what you reckon ten years is.
The same thing as one fifth of any ten things - two.
A one syllable word has only one syllable. A ten syllable word has ten. There are no one syllable words with ten syllables.
Ten years
Ten and one tenth
each ten years are refered to as one DECADE.
A decade is a period of 10 years. The word is derived (via French and Latin) from the Ancient Greek: δεκάς, romanized: dekas, which means a group of ten.
Because the prefix 'deca' means ten. A decagon has ten sides - a decade is ten years.
Millenium Actually, a millennium is a thousand years. That is ten centuries NOT a hundred centuries. There is no single word to describe a hundred centuries.
One ten-billionth meter or one ten-billionth of a meter.
Ten and forty-one thousandths.
Approx. 3.3 years.
"Years" is not a preposition. It is a plural noun. The singular is "year"-- the baby is one year old. Her cousin is ten years old. A preposition is a word that often shows location: in, on, up, down, with, to, from. For example: the rabbit sat on the lawn.