Fermi
·
Concept Library
·
Courses
·
Books
·
Problems
·
Simulations
·
Math Wiki
·
High School
Fermi
›
Problems
Mathematics
Mathematics
Problem
Determine whether each of the following numbers is rational or irrational: (i)
3.87
3.87
3.87
(ii)
0.
142857
‾
0.\overline{142857}
0.
142857
(iii)
13
\sqrt{13}
13
Browse the problem library