The 833 marking on gold signifies that it is 833 parts pure out of 1000. Translated to karats this would be 20kt, a popular purity used in Portuguese jewelry.
Divide 833 by 9 and you have your answer..
208.25
.833 IS a repeating decimal. This is a rational number as well as it has a repetitive pattern.
833 rounded off the nearest hundred is 800.
It is 830
417 - 10K gold 500 - 12K gold 585 - 14K gold 666 - 16K gold (gold teeth and fillings) 750 - 18K gold 792 - 19K gold (used in portugal) 833 - 20K 916 - 22k gold 999 - 24K gold
20 Karat gold is .833 fine. Or 833 parts per 1000
83.3/100 = 833/1000
650 is 78.03% of 833 | 833 is 128.15% of 650.
833 is 83,300%
the percentage of 833 = 83300%
Divide 833 by 9 and you have your answer..
650 is 78.03% of 833
I have only recently started an apprentiship in goldsmithing but i belive it refers to the percentage of gold withing the ring as in 18 karat or 24 karat but the number means it is 96.9 percent pure gold wichh is a high percentage. sterling is 92.5 percent so you have a sterling gold ring there my friend :)
208.25
833 in Roman numerals is DCCCXXXIII
277.6667