Examine whether 
is a terminating decimal.
The denominator 30 can be written as 2 × 3 × 5, which is not in the form 2n × 5m.
∴ it is not a terminating decimal.
7
Examine whether is a terminating decimal.
The denominator 30 can be written as 2 × 3 × 5, which is not in the form 2n × 5m.
∴ it is not a terminating decimal.