It means accuracy within a stated criteria as for example working out a problem to the nearest 3 decimal places
what does key mean in math
In math it's important to be accurate; in art accuracy is not required.
a
about
I do not know of such a word related to math(s)
There is no such math word, so it does not mean anything. You may wish to check your spelling before posting questions!
The word at means the least
the word by means 'times' or 'multiply'
it mean per rate
arithemetic mean
its mean like well its a math term its like distrubed fractions
The word "mean" in math means the same thing as average. Mean is just a nickname for average.