No se
999
99.93 - 99.9 _______ = .03 more silver
Sterling is 92.5% pure silver. .999 Fine is 99.9% pure. Sterling silver =92.5 silver + 7.5% alloy Fine silver usually mention "Ag 99.9 " ,means with 99.9% 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.
The only difference between 999 gold and 999.9 is that 999.9 is .9 more pure than 999. There is very little difference between the two numbers and both are very high quality.
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).
999
9999 - 999 = 9000
99.93 - 99.9 _______ = .03 more silver
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
9999 ÷ 10 = 999.9 Or 999 remainder 9
Sterling is 92.5% pure silver. .999 Fine is 99.9% pure. Sterling silver =92.5 silver + 7.5% alloy Fine silver usually mention "Ag 99.9 " ,means with 99.9% silver.
9,989,001
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.
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