Question

Classify the following decimals as rational or irrational with justification:
(a) 9.05688888... (b) 1.020020002... (c) 109.8631 (d) 12.67136713...​

Answer 1

Rational number:- Number which is in form of p/q, where p and q are integer.

Another criterion for a number to be rational is it should be non-terminating but repeating decimal.

1. 9.05688888.... (Rational Number)

2. 1.020020002...( Rational Number)

3. 109.8631 (irrational number)

4. 12.67136713...(rational number)

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