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
The marking "833 Italy" on jewelry indicates that the piece is made of an alloy that is 83.3% pure silver, which is slightly less pure than sterling silver (92.5% silver). The "Italy" designation signifies that the piece was manufactured in Italy, known for its high-quality craftsmanship in jewelry. This marking is a guarantee of the metal's quality and the origin of the jewelry.
The marking "920" on gold jewelry indicates that the piece is made of 92% pure gold, also known as 22 karat gold. Pure gold is typically too soft for jewelry, so it is often alloyed with other metals to increase its strength and durability. The "920" marking signifies that the gold content is 92% pure, with the remaining 8% made up of other metals.
20 Karat gold is .833 fine. Or 833 parts per 1000
83.3/100 = 833/1000
833 is 83,300%
Well, darling, to find the percentage of 650 in 833, you divide 650 by 833 and multiply by 100. So, 650 is about 78% of 833. Math doesn't lie, honey!
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 :)
833 in Roman numerals is DCCCXXXIII
208.25