Question

Let x =

7/
20 x 25



be a rational number. Then x has decimal expansion, which terminates:

(a) after four places of decimal

(b) after three places of decimal

(c) after two places of decimal

(d) after five places of decimal​

Answer 1

Answer:

The number 20 can be written as: 2 × 2 × 5. The number 25 can be written as: 5 × 5. Therefore, Hence, the decimal expansion terminates after 2 place of decimals.