Question

.
9. If the rational number a/b has a terminating decimal expansion, what is
the condition to be satisfied by b?
[CBSE 2008]​

Answer 1

Answer:

b = (2m*5n) where m and n are non negative integers..... ✌✌

Answer 2

Answer:

b = (2m× 5m), where m and n are some non - negative integers.