3 18 is a rational number July 8, 2019 16 32 64 128 3 root 18 is a rational number 3 root 18 is a rational number or irrational Is negative 18 3 a rational number Is 3 √ 18 a rational number Is 18 over 3 a rational number 3 under root 18 is a rational or irrational number Is square root of 3 18 a rational number What is the rational number