This is not an idiom. It is a measurement. $100,000 is how you write it in numbers.
This is not an idiom. It is a mathematical fraction. 99/100 is nearly 100 percent.
"A penny" isn't an idiom - it's just a one-cent American coin.
It emphasizes uniqueness.
Eternal isn't an idiom. It's a word. Idioms are phrases that seem to mean one thing but mean something else.
This isn't an idiom. Telling a story means to speak and relay a tale - which can be a true one or a false one.
One hundred grand is One hundred thousand.
it means to control someone
It means to raise one eyebrow.
This is an idiom meaning to narrow your focus down. It can also mean to narrow your aim and focus on one thing to hit. Picture the zero as a target and you get the idea of the idiom.
This is not an idiom. Some people call their loved one by a pet name like "honey" or "darling" or "sweetie."
"Cien", in Spanish, does mean a hundred.