Question

what is meant by non terminating decimal

Answer 1

means the decimal will continue. for e.g. 4.14141414

Answer 2

The decimal which never ends are non terminating decimals not terminating or ending especially : being a decimal for which there is no place to the right of the decimal point such that all places farther to the right contain the entry 0 ¹/₃ gives the non terminating decimal .33333 …