Question

x:x is a multiple of 3,x<20 in listing method

Answer 1

Answer:

A = {3, 6, 9, 12, 15, 18}

Step-by-step explanation:

Multiples of 3 = 3, 6, 9, 12, 15, 18, 21, 24, 27, 30, 33, 36,.........

x<20, therefore

A = {3, 6, 9, 12, 15, 18}