math
posted by Anonymous .
3.5,3,v3,1,0,2/9,v5,15.3,18 my teacher said to write which ones are natural, rational, whole, integers, irrational, & real which i understand but i don't know what she means by v3 & v5?

math 
Reiny
I am taking a wild guess that what you wrote as
v5 was really √5
numbers such as √5 and √3 are irrational, since they cannot be written as fractions, where numerator and denominator are integers
irrational > not rational > not a ratio
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