Question

Classify each number as rational or irrational

1. 11/3
2. √48
3. 6.25
4. 0.01045
5. √16/81
6. √3/16
7. 0.42
8. 16π

Answer 1

1. R
2. Ir
3. R
4. R
5. R
6. Ir
7. R
8. Ir

Answer 2

11/3....this is rational because it is a fraction
sqrt 48.....irrrational because it cant be made into a fraction
6.25....rational
0.01045....if this terminates(ends), it is rational
sqrt 16/81....rational because it equals 4/9
sqrt 3/16....irrational
0.42...rational
16pi....irrational