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The difference between 99.99 and 999 silver is in their purity levels. 99.99 silver is considered pure silver, while 999 silver is even higher purity, with a fineness of 99.9%. This means that 999 silver is slightly purer than 99.99 silver.
99.93 - 99.9 _______ = .03 more silver
The difference is almost unmeasurable in terms of real value. Minting companies have used the extra 9 as a means to increase perceived value and show off refining technology which is somewhat of a marketing ploy really. Gold refined at 9999 was introduced by the Canadian Mint in the 1980's, in fact some coins produced in 1979 and 1980 at .999 are rumoured to be have a higher purity than the current issues of .9999.
999 fine silver is 99.9% pure silver, while sterling silver is 92.5% pure silver with the remaining percentage typically being copper. This makes sterling silver more durable and suitable for jewelry and decorative items, while 999 fine silver is softer and more prone to damage.
There really isn't. What 999 silver means is the silver is 99.9% pure, such pure silver is often called "fine" silver (compare that to Sterling silver which is 92.5% pure or coin silver which is 90% pure). Generic silver bars and rounds are what investors and dealers call just your average run of the mill silver bars and rounds as opposed to things such as American Silver Eagles, Canadian Maple Leafs, or junk silver (coins struck in silver that were intended for circulation but have no numismatic value beyond their bullion content).
If by "between" you mean "between but not including", then the answer is 9999 - 999 - 1 = 8999.If on the other hand, you mean to include both 9999 and 999, then the answer is 9999 - 999 + 1 = 9001.
.9999 is 10 times purer (10 times less impurities).
The difference between 99.99 and 999 silver is in their purity levels. 99.99 silver is considered pure silver, while 999 silver is even higher purity, with a fineness of 99.9%. This means that 999 silver is slightly purer than 99.99 silver.
9999 - 999 = 9000
A USPS priority mail tracking number looks like either all numbers (9999 9999 9999 9999 9999) or a combination of numbers and letters (EA 999 999 999 US).
A big number
99.93 - 99.9 _______ = .03 more silver
9999 ÷ 10 = 999.9 Or 999 remainder 9
The difference is almost unmeasurable in terms of real value. Minting companies have used the extra 9 as a means to increase perceived value and show off refining technology which is somewhat of a marketing ploy really. Gold refined at 9999 was introduced by the Canadian Mint in the 1980's, in fact some coins produced in 1979 and 1980 at .999 are rumoured to be have a higher purity than the current issues of .9999.
9,989,001
The sum of all numbers between 1 and n = n*(n+1)/2 The sum of all numbers between 1 and 999 = 999*1000/2 = 499500 The sum of all numbers between 1 and 9999 = 9999*10000/2 = 49995000 So, the sum of all numbers between 1000 and 9999 = 49495500
his story was in the who cares era, in a summer of 9 99 999 9999 9999 9999 9999 years ago.