Step-by-step explanation:

This decimal does not represent a rational number because rational numbers are whole numbers, numbers that can be written as a fraction
It has a decimal making it have different value. Without the decimal it is a whole number. Its not really an explanation, but stuff like that is hard to explain.
Answer:
26 yd^2
Step-by-step explanation:
Area of Triangle = 1/2(b*h)
base = b = 13 yd
height = h = 4yd
Area of Triangle = 1/2(13*4) = 26 yd^2
The answer is ............................a