Question

Write the conditions to be satisfied by q so that a rational number p/q has non terminating expression

Answer 1

if the q is not in the form of 2^m 5^n then it will have non terminating repeating decimal expansion

Answer 2

★ THE DENOMINATOR HAS MUST GOT ANY MULTIPLE OF 2 AND 5 BOTH SUBSEQUENTLY TO GET TO THE REQUIRED CONDITIONS OF TERMINATING DECIMAL EXPANSION ★
SO FOR NON TERMINATING IT WILL NOT HAVE MULTIPLES OF 2 AND 5.♠