Which one of the following numbers is a non-terminating and repeating decimal?
The decimal expansion of a rational number, pq is terminating If q is in the form of : 2m×5n,2m,5n
The denominator of 138 is 8 which is 23
Thus, the decimal expansion of 3924 is terminating
The denominator of 78 is 8 which is 23
Thus, the decimal expansion of 4956 is terminating
The denominator of 3916 is 16 which is 24
Thus, the decimal expansion of 7832 is terminating
The denominator of 311 is 11 which is 111.
Thus, the decimal expansion of 311 is recurring.