Find the decimal form of each value to the nearest ten thousandth (3 decimal places) and determine if the following values are rational or irrational

16 square root =
pi/2=
2/3=
324 square root=

16 square root = 4.000 (rational)

pi/2 = 1.571 (irrational)

2/3 = 0.667 (rational)

324 square root = 18.000 (rational)