Question

without actual division find which of the following rational number are terminating 343 upon 35​

Answer 1

As

$= > \frac{343}{35} \\ = > \frac{7 \times 7 \times 7}{5 \times 7} \\ = > \frac{7 \times 7}{5}$

As it has the factor as only 5 in the denominator so it is terminating decimal expansion