Question

without actually dividing find which of the following are terminating decimals a)3/25 b)11/18 c)13/20 d)41/42​

Answer 1

ANS A= YES B=NO C= NO

WE HAVE TO FIND IT IN LOWEST FORM IN DENOMINATOR WE HAVE ANY OTHER FACTOR THAN 3 AND 5.SO IT WILL BE A NON TERMINATING DECIMAL . AND IF IT HAS NO OTHER FACTORS THAN 3 AND 5.SO IT IS A TERMINATING DECIMAL.

A. 3/25= 5*5 SO IT IS TERMINTING DECIMAL

B. 11/18= 3*6 SO IT IS NON TEMINATING DECIMAL

C. 41/42= 14*3. SO IT IS NON TERMINATING DECIMAL