As the sources below state, the author—technically—should use hundred in this case. 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. Five hundreds to be precise!
I did no prior research. I found in some dictionaries that tens of is actually not correct. In the same way, if you wanted to generally describe,.
People use it for amounts such as 472. Hundreds doesn't have to refer to even multiples of 100 (as in 300, 400, etc); Or the company saved several hundreds of thousands of dollars. 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.
Spacex and oneweb, a communications firm, plan to launch satellites in their thousands, not hundreds. what does it mean by in their thousands? They won hundreds of dollars; If i'm not mistaken, tens of means 10 to 99 and hundreds of means 100 to 999. I also found that hundreds of coul.
It's vague but huge (relatively), but hundreds and thousands of is illogical and semantically. The difference is that hundreds of thousands of means at least 200,000, but probably more.