A short word for a one-hundredth anniversary is "centenary." This term is often used to mark significant milestones, especially in historical or commemorative contexts.
One hundredth.
one hundred, and one hundredth
one hundred or one hundredth
One hundredth.
centimetre
One hundredth.
Centaped
One hundredth.
One hundredth.
One hundredth.
A cent is one hundredth of a dollar (in fact, the word "cent" is from a Latin word meaning "hundred"). So no, one tenth of a penny is not one hundredth of a dollar. (It is actually one thousandth of a dollar.)
One hundredth.
dB meaning one hundredth of a bel.
Centaped
a century
One hundredth.
one hundred or one hundredth