You should use a hyphen to represent years with more than two digits that end in a number other than zero, such as twenty-seven and one hundred and thirty-three. The hyphen is only used between the last two digits.
A dash is used to connect two phrases; a hyphen is used to connect two words. Here are some examples. I use a hyphen for the compound word anti-matter. I use a dash to create a break in the flow of my sentence -- if you know what I mean.
It Is A Special Hyphen
Since you're changing it into a superlative, you're definitely going to use two separate words, so no hyphen is necessary.
actually, by eliminating the hyphen we actually use these words as if they were two separate ones hence, the use of hyphen amalgamate them into one single phrase.
The dictionaries that list it use a hyphen.
Non-breaking hyphen
Yes. "Hard-working" is a compound adjective, and therefore requires a hyphen between the two words. It is also correct to omit the hyphen and use the single word, "hardworking."
No, excitingly is one word so you would not use a hyphen in it.
Nonbreaking Hyphen
Use the hyphen or run them together as one word.
You do not use a hyphen when writing square feet. Using a hyphen would make it one word which should not be the case.