classify
100

Which of the following is an irrational number?

a:   √15    

b:     43

c:     0

a:15

200

Which of the following are rational numbers?

it can be multiple answer

a: π (pi)

b: 13/44

c:69.94

d:-69

b , c & d 

300

Is19.67 a natural number?

no

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