Step-by-step explanation:
really ?
this is just using the calculator and see. there is no knowledge or anything else needed.
sqrt(17) = 4.123105626...
so, where does it go ? ... well ? ... right, third position.
sqrt(20) = 4.472135955...
soooo .... ? ... well ... ? ... right, first position.
sqrt(23) = 4.795831523...
aaaaand ... ? ... right, fourth position.
sqrt(19) = 4.358898944...
well, really, there is only one position left : second
