Its industries were mining graphite and nuclear science/technology.
There are 19 13s in 250. 250/13 =19.23
The plural for thirteen is thirteens (13s). As in "they are in their thirteens".
It is 169.
paper round
465
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It seems like there is a typo in your question. It is unclear what you mean by "13s in the usf." Could you please provide more context or clarify your question?
13s - 2
There are three.
naw the 13s b independent
You need to state units . - -13 of WHAT !
dont have a clue lol