Question

Find a rational number, whose decimal expansion is 0.5 It is a 3 mark question, so do answer according to that. Thank you in advance! (13 Points)

Answer 1

Rational number:

= > A number which can be expressed in the form of p/q, where p,q are integers and q ≠ 0.

= > They are terminating (or) has finite number of digits.

Now,

The rational number whose decimal expansion is 0.5 = (1/2).

Here, (1/2) is a terminating rational number.

Hope this helps!

Answer 2

0.5 = 5/10  = 1/2

So 1/2 is the rational number whose decimal expansion is 0.5