Question

Classify as rational or irrational 7.478478.........?​

Answer 1

Answer:

Rational

Step-by-step explanation:

After decimal digits 478 are repeating infinitely. So, it is a non-terminating repeating decimal expansion.

Hence it is Rational.

Conditions for decimal expansion to be rational:

i) Terminating

ii) Non-terminating but repeating

Conditions for decimal expansion to be irrational:

i) Non-terminating, non-repeating