Question

Pls help me to do this
.......

Answer 1

1 and last are rational and all other are irrational.

reason: √4=2....and 2 can be written in the form of p/q where q is not equal to zero hence it is rational.

last is rational because 0.6 bar is non terminating non repeating number and they are rational always

Answer 2

2,3,4 are irrational because they have not perfect square. 5,6,7 is also irrational because sum,subtract and divided of an irrational number and a rational number is always irrational number and 6 is irrational because non terminatting and non repeating... 1 rational