Find two irrational numbers between 2 and 2.5.

19 Show that is not a rational number. 20 Identify the following as rational or irrational numbers. Give the decimal representation of rational numbers.
(i)  
(ii) 3 
(iii) 
(iv) 
(v) - 
(vi) 22 In the following equations, find which of the variables x, y, z etc. represent rational numbers and which represent irrational numbers:
        (i) x² = 5
        (ii) y² = 9
        (iii) z² = 0.04
        (iv) u² = 
        (v) v² = 3
        (vi) w³ = 27
        (vii) t² = 0.4 23 Find two irrational numbers between 0.1 and 0.12.