No you don't need to leave a space :)
Just leave the space.
No is not acceptable to leave subject space blank
Yes, you should put a space between a number and its unit when writing measurements.
The space between a number and a unit of measure is called a space or a gap. It is important to include this space to ensure clarity and accuracy when writing measurements.
No.
yes
Yes, there should be a space between the number and unit when writing measurements, such as "10 cm" or "5 kg."
When passing a bicyclist, you should leave at least 3 feet of space between your vehicle and the cyclist to ensure their safety.
No, there are no spaces within hyphenated words. There should only be a space before and after the entire word like all words when you are writing.
ex. Double spacing is when, instead of writing your sentences with no spaces in between them, you add a space between your sentences, like this.
There are typically one space between paragraphs in most writing styles, but some style guides recommend using no space between paragraphs. Ultimately, the choice of how many spaces to use between paragraphs depends on the writing style you are following or your personal preference.
Yes, meter can be abbreviated as m in the US, and yes, leave a space between the number and the m.