Question

Which expression is rational? 6.27316543222718… square root of 2 square root of 14. square root of 49

Answer 1

A rational number is any number that can be expressed as the quotient or fraction. It is also a number that does not repeat and/or go on forever (ex. pi or 3.1415926535)

Soo, the rational number is 
the √49 

√49 = 7 7 is a rational number, also a whole number as well, how bout that.

Answer 2

The square root of 49 is 7, therefore it is the only rational number