400
Four numbers are shown.
-0.45, 2/3, 0, square root of 5
Explain why each number is a rational number or an irrational number.
What is
-0.45 : rational because it terminates (stops)
2/3: rational because it repeats
0 : rational it stops
Sq. Rt. of 5 : irrational because it does not stop or repeat