There are many various opinions on this. Technically it should be 1930's but so many writers now use 1930s that it is becoming widely accepted. You can choose which form to use but try to stay consistent.
That depends. If you are referring to the decade, then it is spelled 1930s. If you are referring to something just from the year 1930, then it is 1930's. For example: Life was not easy in the 1930s. All Quiet On The Western Front was 1930's Best Picture winner at the Oscars.
put the d in the v
there were no women
No, Jackie Robinson was not born in the 1930s, he was born in 1919, January 31, 1919.
In the 1930s the average cost for a new home in the United States was $7,145.
after the t (it's) You put an apostrophe on 'its' if it's a contraction of "it is." Otherwise, 'its' has no apostrophe because that's its nature.
Put the apostrophe in mices right after s.: mices'
No apostrophe is to be putted in this sentence.
Personally, no. But it's not incorrect to put the apostrophe.
"Volkswagen" doesn't require an apostrophe.
The apostrophe in "cyclist" would be placed before the last letter when indicating possession: cyclist's.
no matter what you usually have to put a period after an apostrophe because it's the end of a sentence.
Aren't- The apostrophe replaces the 'o' in this circumstance.
I'd
No.
won't (:
we'll