1: select all irrational numbers
1: the square root of 1/4
2: the square root of 2/4
3: the square root of 3/4
4: the square root of 4/4
5: the square root of 5/4
6: 4 multiplied by pi
7: 7 x (the square root of 10/49)
8: 0.5
9: 3.14
2: select rational or irrational to classify each number (so just tell me if these are rational or irrational)
1: 0.144
2: the square root of 0.144
3: the square root of 0.0144
4: 0.01 multiplied by pi
5: 100 multiplied by pi
6: the square root of 100
7: the square root of 1/100