The question title refers to expressing thousands using multiples of hundreds, like saying twelve hundred instead of one thousand two hundred this is somehow new to me. Hundreds doesn't have to refer to even multiples of 100 (as in 300, 400, etc); I also found that hundreds of coul.
It's vague but huge (relatively), but hundreds and thousands of is illogical and semantically. As the sources below state, the author—technically—should use hundred in this case. Spacex and oneweb, a communications firm, plan to launch satellites in their thousands, not hundreds. what does it mean by in their thousands?
In the same way, if you wanted to generally describe,. I did no prior research. People use it for amounts such as 472. If i'm not mistaken, tens of means 10 to 99 and hundreds of means 100 to 999.
The phrase hundreds more of (red line) was frequent in the 1800's, more hundreds of (blue line) in the early 1900's, and few hundred more (green line) at the moment. Or the company saved several hundreds of thousands of dollars. I found in some dictionaries that tens of is actually not correct. The difference is that hundreds of thousands of means at least 200,000, but probably more.
Five hundreds to be precise! Which word choice is correct?