Once. That is enough.
Two times
In standard prose typing, you space twice after a period.
You put the right quote immediately after the period and then 1 space.
Twice.
none
Are we talking of Menstrual Periods, or Grammatical Periods. ????
Normally two spaces indicates the end of a sentence.
If there is more than one initial, there is no space after the period which separates them. After the period after the last initial there is one space.e.g. T.S. EliotAfter a period at the end of a sentence you do two spaces, but often only one is done.
The number of times you press the space bar for Peter's answers would depend on the length of the answers and how you choose to format them. Typically, you would press the space bar once between each word. If you’re counting spaces for a specific piece of text, you would need to count the total words and subtract one to find the number of spaces.
Typically, you would press Enter twice after keying the Dateline in a letter. This provides enough space between the Dateline and the recipient's address, which is usually the next element in the letter format.
number of times the word press is mentioned in the bible
how many times has tom peake been to Space